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Proceedings of the Annual Meeting of JASTRO

Volume 28, Issue / 2015

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Please note that metadata of J-type articlesare generated by machine-translation and the original texts are written in Japanese.

	The chairperson of Japanese Society for Therapeutic Radiology and Oncology 28th arts and sciences meet greetings greetings 中野隆史 Proceedings of the Annual Meeting of JASTRO 28: 1-2, 2015.

	"Discovery of the new by studying the past" in radiation oncology, fostering radiation oncologists, and international development in radiation medicine Takashi Nakano Proceedings of the Annual Meeting of JASTRO 28: 94-94, 2015.

	Development of boron neutron capture therapy (BNCT) as all organ irradiation for multiple tumor 鈴木実 Proceedings of the Annual Meeting of JASTRO 28: 96-96, 2015.

	Structure conversion of the injury chromatin by the exchange reaction of histone variant H2A.Z-2 西淵いくの Proceedings of the Annual Meeting of JASTRO 28: 96-96, 2015.

	RS-1. It is built the effective pediatric radiotherapy training program based on the fact-finding of the childhood cancer radiotherapy with becoming it a childhood cancer practice base 関根広 Proceedings of the Annual Meeting of JASTRO 28: 98-98, 2015.

	RS-2. Fundamental researches for the adaptation establishment of the head and neck cancer adaptation radiotherapy: A gross tumor volume change during external radiation duration of treatment and allied investigation between the clinical factor 武田賢1, 松下晴雄2, 土橋卓1, 角谷倫之2, 小川武則3, 小森慎也4, 石澤儀樹1, 香取幸夫3, 神宮啓一2 Proceedings of the Annual Meeting of JASTRO 28: 98-98, 2015.

RS-2. Fundamental researches for the adaptation establishment of the head and neck cancer adaptation radiotherapy: A gross tumor volume change during external radiation duration of treatment and allied investigation between the clinical factor
武田賢1, 松下晴雄2, 土橋卓1, 角谷倫之2, 小川武則3, 小森慎也4, 石澤儀樹1, 香取幸夫3, 神宮啓一2
Proceedings of the Annual Meeting of JASTRO 28: 98-98, 2015.

	Contemporary Priorities and Opportunities in Radiation Oncology Bhadrasain Vikram Proceedings of the Annual Meeting of JASTRO 28: 100-100, 2015.

	"Scientific theory of a technology-valued state" 尾身幸次 Proceedings of the Annual Meeting of JASTRO 28: 101-101, 2015.

	Probing extreme environments of the Universe with the next generation X-ray satellite - ASTRO-H - Tadayuki Takahashi Proceedings of the Annual Meeting of JASTRO 28: 102-102, 2015.

	Trace of the "Tomioka Silk Mill and Related Sites" world heritage registration 古澤勝幸 Proceedings of the Annual Meeting of JASTRO 28: 104-104, 2015.

	Outline of the Fukushima Daiichi nuclear power station accident (Radioactive materials release and Radiation exposure dose of worker) Akira Suzuki Proceedings of the Annual Meeting of JASTRO 28: 105-105, 2015.

	Childhood and adolescent thyroid cancer occurrence in Fukushima Prefecture after the Fukushima Daiichi Nuclear Power Plant accident. Shinichi Suzuki Proceedings of the Annual Meeting of JASTRO 28: 106-106, 2015.

	Current situation of radiotherapy in Fukushima prefecture and the Fukushima Medical University's activities and efforts against its future prospect. Hisashi Sato, Ami Yukawa, Junko Ebi, Masaru Nakajima, Yoshiyuki Suzuki Proceedings of the Annual Meeting of JASTRO 28: 106-106, 2015.

	High risk prostate cancer pathway to state of the art therapy Colleen A. Lawton Proceedings of the Annual Meeting of JASTRO 28: 108-108, 2015.

	Health Economics in Radiation Oncology (HERO) : A Pan-European Health Services Research Project on Radiation Oncology Yolande Lievens Proceedings of the Annual Meeting of JASTRO 28: 109-109, 2015.

	IS1-1. Efforts to Establish a Truly Effective Research Network for Basic Oncology in Japan : Challenge to Medical Innovation from the Perspective of Provincial University Masahiko Nishiyama Proceedings of the Annual Meeting of JASTRO 28: 112-112, 2015.

	IS1-2. From GOG Japan to NRG Oncology Japan : Building an International Collaboration with NCI Sponsored Clinical Trial Group Keiichi Fujiwara1, Eriko Aotani2 Proceedings of the Annual Meeting of JASTRO 28: 113-113, 2015.

	IS1-3. International Research Collaborations in Radiation Research for Cancer Therapy and Space Exploration Kathryn D. Held Proceedings of the Annual Meeting of JASTRO 28: 114-114, 2015.

	IS1-4. Precision cancer medicine based on genetic aberrations and variations : pan-Japan (LC-SCRUM-Japan) and international studies. Takashi Kohno Proceedings of the Annual Meeting of JASTRO 28: 115-115, 2015.

	IS1-5. Genetic Age vs Chronologic age : Understanding Carcinogenesis of Individual Organs in Individual People Paul Okunieff Proceedings of the Annual Meeting of JASTRO 28: 116-116, 2015.

	IS2-1. IAEA Radiation Oncology Projects in Asian Region : Projects of Regional Cooperative Agreement (RCA) Tomoaki Tamaki1, Shingo Kato2, Elena Fidarova2, Takashi Nakano3,4 Proceedings of the Annual Meeting of JASTRO 28: 117-117, 2015.

	IS2-2. IAEA / RCA Radiation Oncology Shyam Kishore Shrivastava Proceedings of the Annual Meeting of JASTRO 28: 118-118, 2015.

	IS2-3. International multi-institutional clinical studies under the framework of Forum for Nuclear Cooperation in Asia (FNCA) Shingo Kato1, Takashi Nakano2, Tastuya Ohno2, Kumiko Karasawa3, Masaru Wakastuki4, Hideyuki Mizuno4, Shigekazu Fukuda4, Yoshihiro Takai5, Hirohiko Tsuji4 Proceedings of the Annual Meeting of JASTRO 28: 119-119, 2015.

	IS2-4. Promoting the Quality of Radiation Oncology in Asia through Co-operation and Communication : The Central Role of Federation of Asian Organizations for Radiation Oncology (FARO) Soehartati Gondhowiardjo Proceedings of the Annual Meeting of JASTRO 28: 120-120, 2015.

	IS2-5. The South East Asian Radiation Oncology Group (SEAROG) : How it Began and How it Continues to Grow Miriam Joy Calaguas Proceedings of the Annual Meeting of JASTRO 28: 121-121, 2015.

	IS2-6. Present Status of JASTRO and International Collaboration Yasumasa Nishimura Proceedings of the Annual Meeting of JASTRO 28: 122-122, 2015.

	Current progress in Cancer Immunotherapy Koji Kono Proceedings of the Annual Meeting of JASTRO 28: 124-124, 2015.

	S1-1. Radiotherapy-induced anti-tumor immunity contributes to the therapeutic efficacy of irradiation and can be applied to a new "immune-radiotherapy" strategy Yuya Yoshimoto1,2, Yoshiyuki Suzuki3, Koji Kono4, Takashi Nakano2,5 Proceedings of the Annual Meeting of JASTRO 28: 124-124, 2015.

	S1-2. Immune-maximizing (IMAX) cancer therapy : combination of dendritic cell vaccine and high-precision radiotherapy Yuta Shibamoto1, Masanori Kobayashi2, Taiki Takaoka3 Proceedings of the Annual Meeting of JASTRO 28: 125-125, 2015.

	S1-3. The Clinical Experience of Immunotherapy and Immuno-radiotherapy at Gunma University and Heisei Hidaka Clinic. Masahiko Okamoto1, Sinei Noda1, Yoshiyuki Suzuki2, Yuya Yoshimoto1, Atushi Okazaki3, Yoshitaka Ando3, Takashi Nakano1 Proceedings of the Annual Meeting of JASTRO 28: 125-125, 2015.

	S1-4. Our experience of immune-radiation therapy. Naoki Umeda, Toshiomi Kusano, Norimasa Sando, Kenichi Kashihara, Junichi Taguchi Proceedings of the Annual Meeting of JASTRO 28: 126-126, 2015.

	S2-1. New Paradigm in Particle Beam Therapy. Hiroki Shirato1, Hideyuki Sakurai2, Tetsuo Akimoto3, Shigeyuki Murayama4, Tomoaki Okimoto5, Yasuhiro Kikuchi6, Kazutaka Yamamoto7 Proceedings of the Annual Meeting of JASTRO 28: 126-126, 2015.

	S2-2. Current Status of Carbon-Ion Cancer Therapy in Japan Hiroshi Tsuji Proceedings of the Annual Meeting of JASTRO 28: 127-127, 2015.

	S2-3. Improving proton irradiation technique to get the approval of national health insurance Takeji Sakae Proceedings of the Annual Meeting of JASTRO 28: 127-127, 2015.

	S2-4. Cost effectiveness of particle therapy Tatsuya Ohno1, Takashi Nakano2 Proceedings of the Annual Meeting of JASTRO 28: 128-128, 2015.

	S2-5. Logic and challenges in clinical evaluation of the particle beam radiotherapy toward the coverage by the National Health Insurance System in Japan Yoshiyuki Shioyama, Hiroaki Suefuji, Akira Matsunobu, Makoto Shinoto, Shingo Toyama, Sho Kudo Proceedings of the Annual Meeting of JASTRO 28: 128-128, 2015.

	The radiation treatment of prostate cancer : How the USA went "too far" Anthony Zietman Proceedings of the Annual Meeting of JASTRO 28: 129-129, 2015.

	S3-1. Future directions of radiotherapy Masamichi Nishio Proceedings of the Annual Meeting of JASTRO 28: 129-129, 2015.

	S3-2. The possibility and the necessity of minimally invasive treatment for breast cancer - A Radiation Oncologist's perspective Katsuyuki Karasawa Proceedings of the Annual Meeting of JASTRO 28: 130-130, 2015.

	S3-3. Possibility of less- or minimally invasive treatment of uterine cervical cancer Sunao Tokumaru Proceedings of the Annual Meeting of JASTRO 28: 130-130, 2015.

	S3-4. Feasibility of active surveillance and focal therapy for prostate cancer Kazuto Ito Proceedings of the Annual Meeting of JASTRO 28: 131-131, 2015.

	S3-5. Cancer Therapy Limits and Palliative Care Ryokuhei Manda Proceedings of the Annual Meeting of JASTRO 28: 131-131, 2015.

	Current Status of Training of Radiation Oncologists and Perspectives Masahiro Hiraoka Proceedings of the Annual Meeting of JASTRO 28: 132-132, 2015.

	S4-1. Present status and problems in the structure of Japanese hub hospital for cancer treatment - How we can develop human resources for medical physicist and radiation oncologist? Hiroshi Onishi Proceedings of the Annual Meeting of JASTRO 28: 132-132, 2015.

	S4-2. Radiation Oncology Training Program. 〜Passion Lives in Gunma University〜 Katsuyuki Shirai, Takashi Nakano Proceedings of the Annual Meeting of JASTRO 28: 133-133, 2015.

	S4-3. Human resource development of the radiation therapy field of Cancer Professional Training Plan Kumiko Karasawa Proceedings of the Annual Meeting of JASTRO 28: 133-133, 2015.

	S4-4. Training of Medical Physicists in a doctoral course of the Global Leader education program at Gunma University Tatsuaki Kanai, Masami Torikoshi Proceedings of the Annual Meeting of JASTRO 28: 134-134, 2015.

	Targeted Treatment for the Non- Small Cell Lung Cancer Ritsuko Komaki, James D. Cox, James Welsh, John V. Heymach Proceedings of the Annual Meeting of JASTRO 28: 136-136, 2015.

	W1-1. Epidemiology of lung cancer and transition of radiation therapy Yoshihiro Saito Proceedings of the Annual Meeting of JASTRO 28: 136-136, 2015.

	W1-2. A Consensus-based Lymph Nodal Atlas for Three-dimensional Radiation Treatment Planning of Lung Cancer Tomoko Itazawa1, Takafumi Komiyama2, Yukihisa Tamaki3, Yasumasa Nishimura4, Yuko Nakayama5, Hiroyuki Ito6, Yasuhisa Ohde7, Masahiko Kusumoto8, Shuli Sakai9, Kenji Suzuki10, Hirokazu Watanabe11, Hisao Asamura12 Proceedings of the Annual Meeting of JASTRO 28: 137-137, 2015.

	W1-3. Current status and future strategy of radiotherapy for lung cancer Yasushi Nagata, Tomoki Kimura, Yuji Murakami, Ikuno Nishibuchi, Masahiro Kenjo, Tomoyuki Okabe, Teiji Nishio, Akito Saitoh Proceedings of the Annual Meeting of JASTRO 28: 137-137, 2015.

	W1-4. Survival and Toxicity with Proton Therapy and Concurrent Chemotherapy in Locally Advanced Non- Small Cell Lung Cancer (NSCLC) James D. Cox, Q-N Nguyen, L B Levy, R Komaki, P Allen, N B Ly, C Lu, R Mehran, D Gomez, JY Chang, Z Liao, M Gillin Proceedings of the Annual Meeting of JASTRO 28: 138-138, 2015.

	W1-5. Carbon Ion Beam Radiotherapy for the Treatment of Lung Cancer Patients Jun-ichi Saitoh, Katsuyuki Shirai, Tatsuya Ohno, Takashi Nakano Proceedings of the Annual Meeting of JASTRO 28: 138-138, 2015.

	New ions for cancer therapy Marco Durante, Francesco Tommasino, Emanuele Scifoni Proceedings of the Annual Meeting of JASTRO 28: 139-139, 2015.

	W2-1. Histopathological assessment strategy for developing advanced radiotherapy Masatoshi Hasegawa, Nobumasa Fujitani, Emiko Shimoda, Kazuya Inoue, Yoko Morimoto, Masayoshi Inoue, Tadashi Yoshimine, Tetsuro Tamamoto Proceedings of the Annual Meeting of JASTRO 28: 139-139, 2015.

	W2-2. Understanding the molecular mechanism for developing a novel treatment strategy in radiotherapy Atsushi Shibata1, Takashi Nakano2 Proceedings of the Annual Meeting of JASTRO 28: 140-140, 2015.

	W2-3. Perspective, from classical radiation biology to radiation therapy : future application and role of nanotechnology in radiation biology Takashi Kondo Proceedings of the Annual Meeting of JASTRO 28: 140-140, 2015.

	W2-4. Molecular biology for the advancement of cancer radiotherapy ; in the past and the future Hiroshi Harada1, Masahiro Hiraoka2 Proceedings of the Annual Meeting of JASTRO 28: 141-141, 2015.

	W2-5. Radiobiology for hypofractionation Masahiko Miura, Atsushi Kaida Proceedings of the Annual Meeting of JASTRO 28: 141-141, 2015.

	New Strategies in Rectal Cancer Christopher G. Willett Proceedings of the Annual Meeting of JASTRO 28: 142-142, 2015.

	W3-1. Radiation Therapy for Esophageal Cancer : Current Status in Korea, Japan and China Xianshu Gao Proceedings of the Annual Meeting of JASTRO 28: 142-142, 2015.

	W3-2. Role of preoperative chemoradiotherapy for lower rectal cancer Takeo Takahashi1, Jun-ichi Saitoh2, Yosuke Takakusaki3, Noriyuki Okonogi2, Hidemasa Kawamura2, Atsushi Okazaki3, Keiichiro Nishimura1, Takashi Yamano1, Takashi Nakano2 Proceedings of the Annual Meeting of JASTRO 28: 143-143, 2015.

	W3-3. Radiotherapy for hepatocellular carcinoma (HCC) Masashi Mizumoto, Toshiyuki Okumura, Nobuyoshi Fukumitsu, Haruko Numajiri, Kayoko Ohnishi, Yoshiko Oshiro, Hitoshi Ishikawa, Koji Tsuboi, Hideyuki Sakurai Proceedings of the Annual Meeting of JASTRO 28: 143-143, 2015.

	W3-4. The role of radiotherapy for the management of pancreatic cancer Makoto Shinoto, Yoshiyuki Shioyama, Hiroaki Suefuji, Akira Matsunobu, Shingo Toyama, Sho Kudo Proceedings of the Annual Meeting of JASTRO 28: 144-144, 2015.

	W4-1. Switching of dose prescription method in the era of 3-dimensional treatment planning from 2-dimensional treatment planning - from clinical view point - Yoshio Tamaki1,2, Toshiki Ohno2, Kazunori Nitta2, Shousei Shlmizu2, Keiichi Tanaka2, Takeshi Ebara3, Shigehiro Kudo3, Masanori Higuchi3 Proceedings of the Annual Meeting of JASTRO 28: 144-144, 2015.

	W4-2. Insights on planning target volume prescription in stereotactic body radiotherapy Tomoki Kimura, Shuichi Ozawa, Teiji Nishio, Yuji Murakami, Yasushi Nagata Proceedings of the Annual Meeting of JASTRO 28: 145-145, 2015.

	W4-3. In-depth considerations about the dose prescription to the planning target volume in treatment planning of intensity-modulated radiation therapy Takashi Mizowaki Proceedings of the Annual Meeting of JASTRO 28: 145-145, 2015.

	W4-4. Requirement of Curative Dose Assessment for CTV-PTV Margin Kota Torikai1,2, Hiroyuki Kato2, Yoshiyuki Suzuki3, Koichi Ando2, Tatsuaki Kanai2, Yukari Yoshida2, Takashi Nakano2,3 Proceedings of the Annual Meeting of JASTRO 28: 146-146, 2015.

	Current Evidence and Future Developments in Image Guided Adaptive Brachytherapy and EBRT for Cervix Cancer Richard Potter1, Kari Tanderup2, Alina Sturdza1, Maximilian Schmid1, Jacob Lindegaard2, Christian Kirisits1 Proceedings of the Annual Meeting of JASTRO 28: 146-146, 2015.

	W5-1. Epidemiology and treatment of carcinoma uterine cervix along with the development of radiotherapy Teruki Teshima Proceedings of the Annual Meeting of JASTRO 28: 147-147, 2015.

	W5-2. Radiation Therapy for Carcinoma of the Cervix (Chemoradiation) Takashi Uno Proceedings of the Annual Meeting of JASTRO 28: 147-147, 2015.

	W5-3. Image-guided brachytherapy for uterine cervical cancer Shin-ei Noda, Tatsuya Ohno, Takashi Nakano Proceedings of the Annual Meeting of JASTRO 28: 148-148, 2015.

	W5-4. Carbon-ion Radiotherapy for uterine cervical cancer. Masaru Wakatsuki, Shintaro Shiba, Tadashi Kamada Proceedings of the Annual Meeting of JASTRO 28: 148-148, 2015.

	W6-1. Establishing the System to Provide Support and Nursing for Radiotherapy Patients - The current states of radiotherapy in Nagano - Aki Nagai Proceedings of the Annual Meeting of JASTRO 28: 149-149, 2015.

	W6-2. Providing Outpatient Nursing Care Together with Rotation Nurses Yasue Nagashima Proceedings of the Annual Meeting of JASTRO 28: 149-149, 2015.

	W6-3. Nursing support to complete radiation therapy for the outpatients ; the state of Gunma Prefectural Cancer Center Hiromi Akasaka Proceedings of the Annual Meeting of JASTRO 28: 150-150, 2015.

	W6-4. Care for patients undergoing ambulatory radiotherapy Shizuyo Shinoda, Hiroko Imai Proceedings of the Annual Meeting of JASTRO 28: 150-150, 2015.

RQ-001. Analysis of patterns of initial treatment failure for intracranial germ cell tumors or pineal tumors, aiming at optimization of whole-ventricle radiation field with IMRT
Yoshimasa Mori1, Tatsuya Kobayashi2, Toshinori Hasegawa3, Ryosuke Ohshima3, Tsuneo Ishiguchi1, Toshiki Kawamura1, Yukihiko Ohshima1, Arisa Takeuchi1, Toshie Mori1, Ikue Isobe1, Makoto Ito1
Proceedings of the Annual Meeting of JASTRO 28: 152-152, 2015.

	RQ-002. Intensity modulated radiation therapy for cervical cancer : Potential efficacy for reducing the adverse pelvic bone event. Takashi Kawanaka1, Akiko Kubo1, Shunsuke Furutani1, Ayaka Takahashi1, Hitoshi Ikushima2, Masafumi Harada1 Proceedings of the Annual Meeting of JASTRO 28: 152-152, 2015.

	RQ-003. Dosimetric Evaluation of VMAT for Patients with PSA-Failure after Prostatectomy by CBCT-Based Dose Calculation Yuta Kobayashi1, Miyako Myojin1, Takahito Yuki1, Yusuke Uchinami1, Shinya Ishikawa1, Chiharu Hosoyama1, Takahiro Shimazaki1, Masayori Ishikawa2 Proceedings of the Annual Meeting of JASTRO 28: 152-152, 2015.

	RQ-004. Hybrid VMAT for CePh-Type Cervical Esophageal Cancer and Hypophaeryngel Cancer Involved to the Cervical Esophagus Miyako Myojin1, Yuta Kobayashi1, Yusuke Uchinami1, Akihito Watanabe1, Masao Hosokawa3, Hiroaki Takahashi4 Proceedings of the Annual Meeting of JASTRO 28: 153-153, 2015.

	RQ-005. Multi-institutional Dummy Run Study of IMRT for Lung Cancer Masahiro Konno1, Hideyuki Harada1, Takuro Okumura2, Hajime Monzen3, Hiroaki Tanabe4, Hideki Fujita5, Tomoki Kimura2, Kenji Takayama4, Haruyuki Fukuda5, Yasumasa Nishimura3 Proceedings of the Annual Meeting of JASTRO 28: 153-153, 2015.

	RQ-006. What is an adequate target volume in IMRT for total body irradiation? Ryosuke Takenaka, Hideoini Yamashita, Akihiro Haga, Keiichi Nakagawa Proceedings of the Annual Meeting of JASTRO 28: 153-153, 2015.

	RQ-007. Image guided brachytherapy for uterine cervical cancer in our institution Yuko Kaneyasu, Tomio Nakagawa Proceedings of the Annual Meeting of JASTRO 28: 154-154, 2015.

	RQ-008. Effect of a urinary catheter on seed position and rectal and bladder doses in CT-based post-implant dosimetry for prostate cancer brachytherapy Hiroaki Kunogi, Nanae Yamaguchi, Yoshiaki Wakumoto, Keisuke Sasai Proceedings of the Annual Meeting of JASTRO 28: 154-154, 2015.

	RQ-009. Development of high-accuracy in-vivo dosimeter for brachytherapy Masayori Ishikawa1, Masayori Ishikawa1,4, Naomi Nagase2, Junichi Hiratsuka2, Taeko Matsuura3, Ryusuke Suzuki3, Kenneth Sutherland4, Katsuhisa Fujita5, Hiroki Shirato6 Proceedings of the Annual Meeting of JASTRO 28: 154-154, 2015.

	RQ-010. Clinical outcomes of CT image-guided brachytherapy combined with conformal radiotherapy in elderly patients with uterine cervical cancer Noriyuki Okonogi, Shin-Ei Nioda, Kazutoshi Murata, Shohei Okazaki, Tatsuya Ohno, Takashi Nakano Proceedings of the Annual Meeting of JASTRO 28: 155-155, 2015.

	RQ-011. Long-term GU morbidity after prostate brachytherapy with or without external beam radiotherapy Atsunori Yorozu1, Ryuichi Kohta1, Yoshiaki Takagawa1, Kazuhito Toya1, Yutaka Shiraishi1, Shiro Saito2 Proceedings of the Annual Meeting of JASTRO 28: 155-155, 2015.

	RQ-012. Risk factors associated with fatal radiation pneumonitis after concurrent chemoradiotherapy for NSCLC Kayoko Tsujino, Hiroki Kawaguchi, Yoko Matsumono, Yosuke Ota, Toshinori Soejima Proceedings of the Annual Meeting of JASTRO 28: 155-155, 2015.

	RQ-013. Late complications over 5 years after definitive radiation therapy for 1949 patients with uterine cervical cancer in long-term follow-up study Masaru Wakatsuki1, Shingo Kato2, Hiroki Kiyohara3, Tatsuya Ohno3, Kumiko Karasawa5, Tomoaki Tamaki2, Ken Ando4, Shintaro Shiba1, Tadashi Kamada1, Takashi Nakano3 Proceedings of the Annual Meeting of JASTRO 28: 156-156, 2015.

	RQ-014. A predictive model for radiation-induced hypothyroidism after IMRT or VMAT for head and neck squamous cell carcinoma. Takero Hirata1, Noriko Kishi1, Yuki Imai1, Naoyuki Kanayama1, Yoshifumi Kawaguchi1, Koji Konishi1, Akira Masaoka1, Masayoshi Miyazaki1, Takashi Fujii1, Kinji Nishiyama2, Teruki Teshima1 Proceedings of the Annual Meeting of JASTRO 28: 156-156, 2015.

	RQ-015. Symptomatic radiation-induced heart disease for esophageal cancer Ichiro Ogino1, Shigenobu Watanabe1, Madoka Sugiura2, Chikara Kunisaki1 Proceedings of the Annual Meeting of JASTRO 28: 156-156, 2015.

	RQ-016. Prediction of acute radiation mucositis using an oral mucosal dose surface model in carbon ion radiotherapy for head and neck tumors Atsushi Musha1,2, Hirofumi Shimada1, Katsuyuki Shirai1,3, Jun-Ichi Saitoh1,3, Satoshi Yokoo2, Kazuaki Chikamatsu4, Tatsuya Ohno1,3, Takashi Nakano1,3 Proceedings of the Annual Meeting of JASTRO 28: 157-157, 2015.

	RQ-017. The atlas of radiation dermatitis : A prospective photo collection research for producing the atlas for grading the severity in head and neck cancer radiotherapy Yosuke Ota1, Sadamoto Zenda2, Hiroyuki Tachibana3, Hiroshi Ogawa4, Shinobu Ishii2, Tetsuo Akimoto2 Proceedings of the Annual Meeting of JASTRO 28: 157-157, 2015.

	RQ-018. Role of abscess/necrosis sign in head and neck cancer patients treated by hypofractionated stereotactic re-irradiation using CyberKnife Hideya Yamazaki1, Mikio Ogita2, Kengo Himei3, Tadayuki Tadayuki4 Proceedings of the Annual Meeting of JASTRO 28: 157-157, 2015.

	RQ-019. Carbon-ion reirradiation for local recurrence of non-small cell lung cancer Masataka Karube, Naoyoshi Yamamoto, Mio Nakajima, Hiroshi Tsuji, Nobuyuki Kanematsu, Tadashi Kamada Proceedings of the Annual Meeting of JASTRO 28: 158-158, 2015.

	RQ-020. Carbon ion radiotherapy for locally recurrent rectal cancer in patients with prior pelvic irradiation Shigeru Yamada, Okada Naomi, Isozaki Yuka, Kawashiro Shohei, Yasuda Shigeo, Kamada Tadashi Proceedings of the Annual Meeting of JASTRO 28: 158-158, 2015.

	RQ-021. Re-irradiation for locoregionally recurrent lung cancer Kiyomi Sumita1, Hideyuki Harada1, Tsuyoshi Onoe1, Hirofumi Ogawa1, Hirofumi Asakura1, Shigeyuki Murayama2, Toshiaki Takahashi3, Tetsuo Nishimura1 Proceedings of the Annual Meeting of JASTRO 28: 158-158, 2015.

	RQ-022. Re-irradiation with cyberknife system for the bone metastases Kazuto Funakoshi1, Hiroyuki Ikarashi1, Katsunori Kinouchi1, Takehiro Nakamura1, Ryuuta Miyakawa1, Ryouichi Hinoto1, Maya Arai1, Kentarou Suzuki1, Syun Ono1, Naohiko Horio1, Nobuhiro Tsukamoto1,2 Proceedings of the Annual Meeting of JASTRO 28: 159-159, 2015.

	RQ-023. Re-irradiation of paraaortic lymph node recurrence of cervical cancer by CyberKnife Mototaro Iwanaga1,2, Shin-Ei Noda2, Hiroshi Inoue1, Hiro Sato2, Noriyuki Okonogi2, Kazutoshi Murata2, Jun-Ichi Saitoh2, Tetsuya Ohno2, Tsuneo Shimizu1, Takashi Nakano2 Proceedings of the Annual Meeting of JASTRO 28: 159-159, 2015.

	O-001. Preliminary results of carbon-ion radiotherapy for prostate cancer : Prospective observational study (GUNMA0702) Hidemasa Kawamura1,2, Nobuteru Kubo1, Hiro Sato1, Masahiro Kawahara1, Hiroyuki Katoh2, Tatsuya Ohno2, Hiroshi Matsui2,3, Kazuto Ito3, Kazuhiro Suzuki2,3, Takashi Nakano1,2 Proceedings of the Annual Meeting of JASTRO 28: 162-162, 2015.

O-002. Evaluation of dose escalation about definitive radiotherapy for intermediate- and high-risk prostate cancer over the past 15 years in National Cancer Center Hospital
Rei Umezawa, Koji Inaba, Naoya Murakami, Keisuke Tsuchida, Tairo Kashihara, Kazuma Kobayashi, Ken Harada, Mayuka Kitaguchi, Shuhei Sekii, Kana Takahashi, Hiroshi Igaki, Yoshinori Ito, Jun Itami
Proceedings of the Annual Meeting of JASTRO 28: 162-162, 2015.

	O-003. Evaluation of efficacy and toxicity of hypofractionated intensity modulated radiation therapy for prostate cancer Itsuko Serizawa1, Kenichi Kashihara1, Takuyo Kozuka2, Takashi Yamashita1 Proceedings of the Annual Meeting of JASTRO 28: 162-162, 2015.

O-004. Outcome and prognostic factor following biochemical relapse for prostate cancer patients undergoing definitive external beam radiation therapy in Aichi Cancer Center Hospital
Natsuo Tomita1, Takeshi Kodaira1, Hiroyuki Tachibana1, Chiyoko Makita1, Kana Kimura1, Maiko Yoshida1, Yutaro Koide1, Makoto Ito1, Norihito Soga2, Yuji Ogura2, Norio Hayashi2
Proceedings of the Annual Meeting of JASTRO 28: 163-163, 2015.

	O-005. Prognostic factors for patients with high-risk prostate cancer who received carbon-ion radiotherapy combined with androgen deprivation therapy Goro Kasuya, Hiroshi Tsuji, Takuma Nomiya, Hirokazu Makishima, Hirohiko Tujii, Tadashi Kamada Proceedings of the Annual Meeting of JASTRO 28: 163-163, 2015.

	O-006. Hypofractionated intensity modulated radiotherapy for localized prostate cancer Junichi Yokouchi1, Yuuichirou Narita1, Hiroyoshi Akimoto2, Yoshiaki Horanai1, Kazuhiko Satou1, Hideto Hukushi1, Shimpei Satou1, Toshiaki Kawaguchi3 Proceedings of the Annual Meeting of JASTRO 28: 163-163, 2015.

O-007. Prediction of biochemical failure of response to salvage radiotherapy of initial biochemical failure after radical prostatectomy for prostate cancer.
Jiro Kawamori1, Shiho Kashiyama1, Mami Ogita1, Kenji Sekiguchi2, Norifumi Mizuno1, Kensuke Tani1, Haruna Takahashi1, Sato Shimura1, Ryoko Itoh1, Senyo Kanzaki1, Kazunori Hattori3
Proceedings of the Annual Meeting of JASTRO 28: 164-164, 2015.

	O-008. The outcome of salvage external beam radiation therapy for patients with biochemical recurrence after radical prostatectomy Tairo Kashihara1, Keisuke Tsuchida1, Kazuma Kobayashi1, Ken Harada1, Shuhei Sekii1, Kana Takahashi1, Koji Inaba1, Naoya Murakami1, Hiroshi Igaki1, Yoshinori Ito1, Jun Itami1 Proceedings of the Annual Meeting of JASTRO 28: 164-164, 2015.

	O-009. Clinical outcomes of low-dose-rate brachytherapy for prostate cancer ; our first series of 100 patients Takurou Ariga1, Kasuya Goro3, Takafumi Toita1, Minoru Miyazato2, Noriko Machida2, Seiji Hashimoto1, Hideki Shiina1, Yasumasa Kakinohana1, Joichi Heianna1, Seiichi Saito1,2, Sadayuki Murayama1 Proceedings of the Annual Meeting of JASTRO 28: 164-164, 2015.

	O-010. Treatment outcomes for localized prostate cancer treated with 125I brachytherapy Satoshi Seno, Kenji Yoshida, Daisuke Miyawaki, Yoshiro Matsuo, Sulaiman Nor Shazrina, Haruka Uezono, Yasuo Ejima, Mototsugu Murakami, Junya Furukawa, Ryouhei Sasaki Proceedings of the Annual Meeting of JASTRO 28: 165-165, 2015.

	O-011. Clinical results of 6 fr IGRT for localized carcinoma of the prostate Takurou Arimoto, Akira Yamazaki, Takayuki Hoshikawa, Hisashi Fukuda, Toru Matsuzawa, Katsura Matuzawa Proceedings of the Annual Meeting of JASTRO 28: 165-165, 2015.

	O-012. Relation of local tumor control and DNA-PK activity in peripheral blood lymphocyte prostate cancer patients after radiotherapy. Masanori Someya, Masakazu Hori, Kensei Nakata, Koh-ichi Sakata Proceedings of the Annual Meeting of JASTRO 28: 165-165, 2015.

	O-013. Long-term outcomes of salvage radiation therapy for prostate specific antigen relapse after radical prostatectomy Yasuhiro Kosaka, Masaki Kokubo, Kenji Takayama, Toshiyuki Imagumbai, Genki Kimino, Kazuhito Ueki Proceedings of the Annual Meeting of JASTRO 28: 166-166, 2015.

	O-014. Does IMRT alter the prostate size? Evaluation by magnetic resonance imaging in patients undergoing IMRT alone Masayuki Matsuo1, Yuta Shibamoto1, Taro Murai1, Chikao Sugie1, Takeshi Yanagi1, Shinichi Ogawa2, Hironori Nishibori2, Tetsu Ishihara2 Proceedings of the Annual Meeting of JASTRO 28: 166-166, 2015.

	O-015. Early outcome of intensity-modulated radiotherapy with helical Tomotherapy for localized prostate cancer Takayuki Murao1, Yasunori Obata1, Hiroshi Itoh1, Takashi Kawai1, Katsuro Hatsuse1,2, Kana Kimura2, Kentaro Omori1, Shouta Fukumoto1, Katsuzi Ikeda1, Hirokazu Matsuno1, Akiko Ozeki1 Proceedings of the Annual Meeting of JASTRO 28: 166-166, 2015.

	O-016. Dose-volume histogram comparison between volumetric modulated arc therapy and static 5-field intensity modulated radiation therapy using TrueBeam STx for prostate cancer. Arisa Takeuchi, Ikue Isobe, Toshie Mori, Yukihiko Ooshima, Masayoshi Mori, Toshiki Kawamura, Tuneo Ishiguchi Proceedings of the Annual Meeting of JASTRO 28: 167-167, 2015.

	O-017. Hypofractionated intensity-modulated radiotherapy (63 Gy in 21 fractions at 3 Gy per fraction) for localized prostate cancer Nobuteru Kubo1, Hidemasa Kawamura1, Tatsuji Mizukami1, Hiro Sato1, Masahiro Kawahara1, Jun-Ichi Saitoh1, Hiroshi Matsui2, Kazuto Ito2, Kazuhiro Suzuki2, Takashi Nakano1 Proceedings of the Annual Meeting of JASTRO 28: 167-167, 2015.

	O-018. Long-term outcome of hypofractionated intensity-modulated radiotherapy using TomoTherapy for localized prostate cancer Yosuke Takakusagi1,2, Hidemasa Kawamura2, Noriyuki Okonogi2, Yu Okubo2, Katsutoshi Murata2, Tokuya Kaminuma2, Masahiko Okamoto2, Atsushi Okazaki2, Tetsuo Sekihara3, Yoshitaka Ando3, Takashi Nakano2 Proceedings of the Annual Meeting of JASTRO 28: 167-167, 2015.

O-019. Intensity-modulated radiation therapy with simultaneous integrated boost by Tomo Therapy for prostate cancer with regional lymph node metastasis.
Tatsuji Mizukami1, Hidemasa Kawamura1, Kazutoshi Murata1, Yosuke Takakusagi3, Atsushi Okazaki1, Tetsuo Sekihara4, Yoshitaka Ando3, Hiroshi Matsui2, Kazuto Ito2, Kazuhiro Suzuki2, Takashi Nakano1
Proceedings of the Annual Meeting of JASTRO 28: 168-168, 2015.

	O-020. Rectal Bleeding after Definitive IMRT of Localized Prostate Cancer : Analysis of a Single Institutional Experience Daisuke Irie, Yuji Nakamura, Yutaka Kawakami, Arisa Kurakata, Sadahiro Nara, Tsuyoshi Sakai, Takuya Ito Proceedings of the Annual Meeting of JASTRO 28: 168-168, 2015.

	O-021. The results of conventional external beam radiotherapy for prostate cancer. Yoshisuke Matsuoka, Ibuki Ota, Kazumasa Isurugi, Ranko Shimaya Proceedings of the Annual Meeting of JASTRO 28: 168-168, 2015.

	O-022. Acute and late complications after hypofractionated intensity modulated radiotherapy for intermediate-risk prostate cancer Takuyo Kozuka, Minako Sumi, Takao Asari, Takashi Toshiyasu, Keiko Murofushi, Daiki Kato, Hirofumi Ohkubo, Arisa Harad, Yasuko Kumai, Masahiko Oguchi Proceedings of the Annual Meeting of JASTRO 28: 169-169, 2015.

	O-023. A prospective pilot study on intermediately-hypofractionated stereotactic intensity-modulated radiation therapy for prostate cancer Takashi Mizowaki, Kiyonao Nakamura, Haruo Inokuchi, Masahiro Hiraoka Proceedings of the Annual Meeting of JASTRO 28: 169-169, 2015.

	O-024. Volumetric-Modulated Arc Therapy for localized prostatic cancer : Evaluation of treatment planning and Toxicity. Kana Itoh, Chie Kurokawa, Yutaka Tutumi, Takayuki Fujita, Yutaka Naoi Proceedings of the Annual Meeting of JASTRO 28: 169-169, 2015.

	O-025. Comparison of clinical outcome between three-dimensional conformal radiotherapy versus intensity modulated radiotherapy for prostate cancer. Takuya Shimizuguchi1, Keiji Nihei1, Yumiko Machitori1, Sara Koh1, Yukiko Shibata1, Kei Ito1, Hiroshi Tanaka1, Motoaki Fujii1, Gencho Kuga2, Ta-Chen Chang3, Katsuyuki Karasawa1 Proceedings of the Annual Meeting of JASTRO 28: 170-170, 2015.

	O-026. Validation of a measurement accuracy of bladder volume with using an ultrasound device Yuki Miura, Masasi Itou, Ako Aikawa, Satoshi Nakamura, Akihisa Wakita, Hiroyuki Okamoto, Toru Katou, Yoshihisa Abe, Jun Itami Proceedings of the Annual Meeting of JASTRO 28: 170-170, 2015.

	O-027. Bladder preservation therapy using proton boost concurrently combined with intra-arterial chemotherapy for invasive bladder cancer Reiko Kanuma, Hitoshi Ishikawa, Ei-Ichiro Takaoka, Kayoko Ohnishi, Haruko Numajiri, Daichi Takizawa, Jun Miyazaki, Hiroyuki Nishiyama, Toshiyuki Okumura, Hideyuki Sakurai Proceedings of the Annual Meeting of JASTRO 28: 170-170, 2015.

	O-028. Performance of the Intra-arterial Chemotherapy and Concurrent Radiotherapy for Muscle Invasive Bladder Cancer Hiroyasu Tamamura, Sayuri Bou, Satoshi Shibata, Yoshitaka Satou, Kazutaka Yamamoto, Tatsuya Kaneda, Yoshikazu Ogawa, Masamichi Shibata Proceedings of the Annual Meeting of JASTRO 28: 171-171, 2015.

	O-029. Image-guided radiotherapy for bladder cancer based on Lipiodol marking : a short-term treatment outcome Hisao Kakuhara, Hirobumi Oikawa, Koyo Kikuchi, Ryuji Nakamura, Hisanori Ariga Proceedings of the Annual Meeting of JASTRO 28: 171-171, 2015.

	O-030. Intensity-modulated radiotherapy using Helical Tomotherapy for oropharyngeal cancer : Retrospective analysis of Aichi cancer center experience. Kana Kimura, Makoto Ito, Yutaro Koide, Maiko Yoshida, Chiyoko Makita, Natsuo Tomita, Hiroyuki Tachibana, Takeshi Kodaira Proceedings of the Annual Meeting of JASTRO 28: 171-171, 2015.

	O-031. Whole brain radiotherapy with simultaneous integrated boost to multiple brain metastases using coplanar VMAT technique : initial experience Akihiro Nomoto1, Yoshio Iwai2, Kanabu Nawa1, Akihiro Haga1, Wataru Takahashi1, Hideomi Yamashita1, Kiyoshi Yoda2, Keiichi Nakagawa1 Proceedings of the Annual Meeting of JASTRO 28: 172-172, 2015.

	O-032. The clinical usefulness of bladder volume measurement using Cube scan BioCon-700 in IMRT of prostate cancer Hitoshi Takagi1, Yasushi Iwamoto1, Tetsuya Matsuyama1, Kiyo Yamazaki1, Hidetoshi Kobayashi2, Fumitaka Ito2, Masayuki Ito2, Naoki Hayashi3 Proceedings of the Annual Meeting of JASTRO 28: 172-172, 2015.

	O-033. Toxicity of postoperative radiotherapy for prostate cancer using TomoTherapy Yumiko Tayama1, Motoko Omura1, Kengo Matsui1, Hideyuki Hongo1, Hironori Nagata1, Miho Yoshida1, Harumitsu Hashimoto2, Masaharu Hata3, Tomio Inoue3 Proceedings of the Annual Meeting of JASTRO 28: 172-172, 2015.

	O-034. Separated arc vs. single arc VMAT therapy for the prostate in the prone position. Hisato Nagano1, Hiroko Yokoyama1, Masahiro Katou2, Harumitu Hashimoto1, Takahiro Shimo2, Motoi Watanabe1, Masanori Nakanishi1, Toshihiko Kawasaki1, Yukiko Kishida1, Tomoko Ogawa1, Chikayo Ishizuka1 Proceedings of the Annual Meeting of JASTRO 28: 173-173, 2015.

	O-035. Evaluation of long-term survivor after radiotherapy for bone metastasis of lung cancer Masana Matuura, Yoshio Tomizawa, Akihiko Yoshiii, Reiko Sakurai, Mie Kotake, Ryuusei Saito, Osamu Kawashima, Seiichi Kakegawa Proceedings of the Annual Meeting of JASTRO 28: 173-173, 2015.

	O-036. Thoracic radiation therapy for postoperative recurrence of non-small cell lung cancer Aya Nakajima, Matsugi Kiyotomo, Yamada Shigeki, Hiroyuki Yamamoto, Takuya Nishitani, Daichi Kume, Chikako Yamauchi Proceedings of the Annual Meeting of JASTRO 28: 173-173, 2015.

	O-037. Long-term Outcomes of SBRT for Stage I Non-small Cell Lung Cancer Using Different Doses Depending on Tumor Size : Re-evaluation by Superposition Comparable Dose Calculation Algorithms Fumiya Baba1,2, Yuta Shibamoto2, Chisa Hashizume3, Shiho Ayakawa4, Shinya Ohtsuka5, Akifumi Miyakawa6, Maho Yamada1 Proceedings of the Annual Meeting of JASTRO 28: 174-174, 2015.

	O-038. Clinical and pathological outcome of the neoadjuvant radiochemotherapy (NAC-RT) to locally advanced non-small cell lung cancer. Mariko Kawamura, Yoshiyuki Itoh, Seiji Kubota, Tohru Okada, Junji Ito, Rie Nakahara, Yuka Soematsu, Takeshi Kamomae, Shinji Naganawa Proceedings of the Annual Meeting of JASTRO 28: 174-174, 2015.

	O-039. Radiotherapy in ALK-Positive Lung Cancer Daisuke Nakamura1, Minoru Fukuda1, Takuya Yamazaki2, Akiko Egawa2, Kazuaki Yasui2, Nobuyuki Hayashi4, Yoichi Nakamura3, Masataka Uetani2, Kazuto Ashizawa1 Proceedings of the Annual Meeting of JASTRO 28: 174-174, 2015.

O-040. Sum of Diameters of Primary Tumor and Metastatic Lymph Node Is An Independent Prognostic Factor in Limited Small-Cell Lung Cancer Treated with Chemoradiotherapy at 45 Gy/30 Fr : A Two-Institution Study
Masahiro Morimoto1,2, Kyoichi Okishio3, Masanori Akira4, Naoki Omachi3, Akihiro Tamiya3, Kazuhiro Asami3,5, Tomoya Kawaguchi3,6, Shigeto Hontsu1,7, Tetsuro Tamamoto1, Masatoshi Hasegawa1, Shinji Atagi3
Proceedings of the Annual Meeting of JASTRO 28: 175-175, 2015.

	O-041. Clinical result of radiotherapy with concurrent thermotherapy for limited-stage small cell lung cancer Yasuo Kosugi1, Anne Yuko Saito2, Yu Hasegawa2, Keisuke Sasai1 Proceedings of the Annual Meeting of JASTRO 28: 175-175, 2015.

O-042. Multivariate Analysis of Prognostic Factors in the Patients with Stage I Non-small Cell Lung Cancer Treated with Hypofractionated 3-dimensional Noncoplanar Conformal Radiation Therapy
Katsuyuki Karasawa1, Hiroto Murata2, Kei Ito1, Takuya Shimizuguchi1, Hiroshi Tanaka1, Yumiko Machitori1, Motoaki Fujii1, Keiji Nihei1, Yukiko Shibata1, Sara Koh1, Kaori Fuse1
Proceedings of the Annual Meeting of JASTRO 28: 175-175, 2015.

	O-043. Outcomes of definitive radiotherapy for pulmonary large cell neuroendocrine carcinoma Kei Ito1, Tsunekazu Hishima2, Keiji Nihei1, Katsuyuki Karasawa1 Proceedings of the Annual Meeting of JASTRO 28: 176-176, 2015.

	O-044. Analysis of the frequencies and the therapies of accompanying cancers in patients with multiple primary cancers Takeshi Honda1, Shuri Aoki2, Maika Natsume1, Yoko Fukasawa1, Tatsuhisa Mori1, Naoki Saito1, Takahiko Sakamoto1, Shigeru Tanzawa1, Shuji Ota1, Yasuko Ichikawa1, Kiyotaka Watanabe1, Nobuhiko Seki1 Proceedings of the Annual Meeting of JASTRO 28: 176-176, 2015.

	O-045. Pulmonary function changes after stereotacic body radiotherapy (SBRT) for lung cancer and correlation with dose-volume parameters. Shinya Takemoto1,2, Yuta Shibamoto2, Chisa Hashizume3, Akifumi Miyakawa4, Kaoru Uchiyama5, Fumiya Baba6, Yoshimasa Mori7, Shinya Otsuka8, Hiromitsu Iwata6, Takeshi Yanagi2 Proceedings of the Annual Meeting of JASTRO 28: 176-176, 2015.

	O-046. Preliminary results of dose escalated stereotactic body radiotherapy for stage IA non-small cell lung cancer Takafumi Komiyama, Hiroshi Onishi, Kengo Kuriyama, Julia Muramatsu, Mitsuhiko Oguri, Hotaka Nonaka, Zhe Chen, Naoki Sano, Kazunari Ashizawa Proceedings of the Annual Meeting of JASTRO 28: 177-177, 2015.

	O-047. The outcomes of stereotactic body radiotherapy (SBRT) for lung cancer in Japanese Red Cross Fukui Hospital (JRCFH). Rihito Aizawa1, Masato Sakamoto1, Masakazu Ogura2, Yoshiharu Negoro3, Syuji Ootsu3,4, Masaya Akai1, Tadashi Matsukura1, Tadashi Sago1, Masato Noguchi1 Proceedings of the Annual Meeting of JASTRO 28: 177-177, 2015.

	O-048. Stereotactic Radiotherapy for the lung using breath hold irradiation method in our hospital Masayoshi Yamada, Takashi Kaneko, Mayumi Harada, Hiroko Akamatsu, Mayumi Ichikawa, Yuki Kuroda, Kenji Nemoto Proceedings of the Annual Meeting of JASTRO 28: 177-177, 2015.

	O-049. A dosimetrically equivalent marginal prescription to the isocenter prescription in stereotactic body radiotherapy for stage I Non-small Cell Lung Cancer Daisuke Kawahara1,2, Ozawa Shuichi3, Tomoki Kimura3, Teiji Nishio3, Akito Saito3, Takeo Nakashima1, Yoshimi Oono1, Yuji Murakami3, Yasushi Nagata3 Proceedings of the Annual Meeting of JASTRO 28: 178-178, 2015.

O-050. Impact of pretreatment whole-tumor perfusion CT parameters and glucose metabolism measurements on local control in primary and oligometastatic lung tumors treated with stereotactic body radiotherapy
Masahiko Aoki1, Katsumi Hirose1, Mariko Sato1, Hiroyoshi Akimoto1, Hideo Kawaguchi1, Yoshiomi Hatayama2, Ichitarou Fulloka1, Shuichl Ono1, Yoshihiro Takai1
Proceedings of the Annual Meeting of JASTRO 28: 178-178, 2015.

	O-051. Clinical outcome of Stereotactic Body Radiotherapy (SBRT) with early stage lung cancer Tatsuya Suwa, Yoshiharu Negoro, Takashi Fujii Proceedings of the Annual Meeting of JASTRO 28: 178-178, 2015.

	O-052. Evaluation of Radiation-induced Lung Injury (RILI) after Stereotactic Body Radiation Therapy (SBRT) for Pulmonary Nodule Masaya Kawaguchi, Yuichi Kajiura, Takahiro Yamaguchi, Hidekazu Tanaka, Sunaho Okada, Shinya Hayashi Proceedings of the Annual Meeting of JASTRO 28: 179-179, 2015.

	O-053. Radiation pneumonitis after Cyberknife radiotherapy of stage I non-small-cell lung cancer Masaki Nakamura1, Hideki Nishimura1, Yoshiro Matsuo2, Shinji Tsudo1, Hiroshi Mayahara1, Haruka Uezono1, Aya Harada1, Naoki Hashimoto1, Toshiyuki Ogata1, Ryohei Sasaki2 Proceedings of the Annual Meeting of JASTRO 28: 179-179, 2015.

	O-054. Early experience of SBRT with flattening filter-free beams Masaaki Yamashina, Kaori Nakajima, Yuki Okazawa Proceedings of the Annual Meeting of JASTRO 28: 179-179, 2015.

	O-055. Fractionated stereotactic radiotherapy for brain metastases Hiroshi Kuramoto, Motoaki Fujii, Yumiko Machitori, Takuya Shimizuguchi, Keiji Nihei, Katsuyuki Karasawa Proceedings of the Annual Meeting of JASTRO 28: 180-180, 2015.

	O-056. Stereotactic radiotherapy for metastatic brain tumors - the outcomes of our hospital Ryou Ashida1, Itaru Ikeda2, Miduki Hirose1, Takafumi Hayashi1, Satoshi Itasaka1 Proceedings of the Annual Meeting of JASTRO 28: 180-180, 2015.

	O-057. Long-term results of hypofractionated stereotactic radiotherapy using the CyberKnife for growth hormone-secreting pituitary adenoma Hiromitsu Iwata1,2,3, Kengo Sato4, Ryutaro Nomura4, Yusuke Tabei4, Ichiro Suzuki4, Naoki Yokota5, Mitsuhiro Inoue6, Seiji Ohta3, Shozo Yamada7, Yuta Shibamoto2 Proceedings of the Annual Meeting of JASTRO 28: 180-180, 2015.

	O-058. A multi-institutional prospective observational study of SRS for multiple brain metastases (JLGK0901 Study) : Part 1, long-term results of primary and secondary endpoints Toru Serizawa1, Masaaki Yamamoto2, Yoshinori Higuchi3, Yasunori Sato4 Proceedings of the Annual Meeting of JASTRO 28: 181-181, 2015.

	O-059. A multi-institutional prospective observational study of SRS for multiple brain metastases (JLGK0901 Study) : Part 2, long-term results of irradiation-related complications and neurocognitive function Masaaki Yamamoto1, Toru Serizawa2, Yoshinori Higuchi3, Yasimori Sato4 Proceedings of the Annual Meeting of JASTRO 28: 181-181, 2015.

	O-060. 11C methionine positron emission tomography (PET) for target definition of recurrent glioblastoma multiforme in the re-irradiation planning. Masayuki Matsuo1, Yuta Shibamoto1, Taro Murai1, Takeshi Yanagi1, Hironori Nishibori2, Kazuhiro Miwa2, Jun Shinoda2 Proceedings of the Annual Meeting of JASTRO 28: 181-181, 2015.

	O-061. Validation on vascular disorder after the radiation therapy for intracranial tumor in children and adolescents Akinori Takada1, Noriko Ii1, Yutaka Toyomasu1, Tomoko Kawamura1, Yui Watanabe1, Satoru Ochiai2, Yasufumi Yamashita2, Maki Umino1, Masayuki Maeda1, Yoshihito Nomoto1 Proceedings of the Annual Meeting of JASTRO 28: 182-182, 2015.

	O-062. Identification of prognostic score index in patients with brain metastases submitted to whole brain radiation therapy. Rei Kobayashi, Yoshikazu Kagami, Hidenori Shinjo, Kouzou Murakami, Yukiko Ozawa, Naoyuki Okabe, Masako Kato, Akifumi Niiya Proceedings of the Annual Meeting of JASTRO 28: 182-182, 2015.

	O-063. Staged stereotactic radiotherapy for large metastatic brain tumors treated with gamma knife radiosurgery : comparison of primary organs Osamu Nagano1, Toru Serizawa2, Yoshinori Higuchi3, Kyoko Aoyagi1, Junichi Ono4, Naokatsu Saeki3 Proceedings of the Annual Meeting of JASTRO 28: 182-182, 2015.

	O-064. Clinical Outcomes of External Beam Radiotherapy and Stereotactic Radiosurgery for Craniopharygioma Madoka Sakuramachi1, Hiroshi Igaki2, Akihiro Nomoto1, Wataru Takahashi1, Shunya Hanakita1, Masao Tago3, Keiichi Nakagawa1 Proceedings of the Annual Meeting of JASTRO 28: 183-183, 2015.

	O-065. A study on the usefulness of IMRT for glioblastoma Katsuya Maebayashi1, Sachiko Izumi1, Yaichiro Hashimoto1, Sawa Kono1, Yuka Ishii1, Takashi Maruyama2,3, Souko Ikuta3, Yoshihiro Muragaki2,3, Takakazu Kawamata2, Norio Mitsuhashi1, Kumiko Karasawa1 Proceedings of the Annual Meeting of JASTRO 28: 183-183, 2015.

	O-066. Patient outcomes of whole brain radiotherapy for brain metastases and meningeal dissemination : a retrospective study Masakuni Sakaguchi1, Toshiya Maebayashi1, Takuya Aizawa1, Naoya Ishibashi1, Shoko Fukushima1, Tsutomu Saito2, Jiro Kawamori3, Yoshiaki Tanaka4 Proceedings of the Annual Meeting of JASTRO 28: 183-183, 2015.

	O-067. Complications after stereotactic radiosurgery for brain metastases : Incidences and correlating factors Masaaki Yamamoto1, Takuya Kawabe2, Yasunori Sato3, Shinya Watanabe1, Takao Koiso1 Proceedings of the Annual Meeting of JASTRO 28: 184-184, 2015.

	O-068. CyberKnife treatment for pituitary adenoma Kengo Sato, Ryutaro Nomura, Tabei Yusuke, Ichiro Suzuki, Kouji Honmatsu, Eiji Suzuki, Noboru Sato, Daiki Maruyama Proceedings of the Annual Meeting of JASTRO 28: 184-184, 2015.

	O-069. A comparative study of the dose distribution of PBT, and IMRT for pediatric abdominal tumors Daichi Takizawa1, Masashi Mizumoto1, Yoshiko Ohshiro2, Kaori Sugawara1, Haruko Numajiri1, Teruhito Aihara1, Nobuyoshi Fukumitsu1, Hitoshi Ishikawa1, Toshiyuki Okumura1, Koji Tsuboi1, Hideyuki Sakurai1 Proceedings of the Annual Meeting of JASTRO 28: 184-184, 2015.

	O-070. A long-term follow-up of pediatric patients treated with proton beam therapy. Masashi Mizumoto, Yoshiko Oshiro, Toshiyuki Okumura, Haruko Numajiri, Kayoko Ohnishi, Nobuyoshi Fukumitsu, Hitoshi Ishikawa, Teruhito Aihara, Koji Tsuboi, Hideyuki Sakurai Proceedings of the Annual Meeting of JASTRO 28: 185-185, 2015.

	O-071. Impact of radiotherapy on bone metastases from neuroblastoma Hiroshi Fuji1, Masayuki Kitamura1, Chikako Kiyotani2, Youko Shioda2, Yasushi Fuchimoto3, Chiaki Narumi1, Hideyuki Tanaka1, Syunsuke Nosaka1, Yutaka Kanemori3, Kimikazu Matsumoto2,3 Proceedings of the Annual Meeting of JASTRO 28: 185-185, 2015.

	O-072. Sharing information form for radiation technologists and child life specialists in psychological preparation for radiotherapy Chiaki Narumi, Hideyuki Tanaka, Ryou Naito, Eiji Kurosaki, Hiroshi Horiguchi, Masayuki Kitamura, Hiroshi Fuji, Shunsuke Nosaka, Mai Ito, Tomoo Oosumi, Kimikazu Matsumoto Proceedings of the Annual Meeting of JASTRO 28: 185-185, 2015.

	O-073. Radical radiation therapy for bone and bone marrow metastasis as initial therapy of the high-risk neuroblastoma Toshmori Soejima1,2, Yoshinobu Akasuka2, Yoshiyuki Kosaka3, Keiichiro Kawasaki3, Daiichiro Hasegawa3, Toshiaki Ishida3, Kayoko Tsujino1, Yosuke Ota1, Yoko Matsumoto1, Hiroki Kawaguchi1 Proceedings of the Annual Meeting of JASTRO 28: 186-186, 2015.

O-074. A Japanese prospective multi-institutional feasibility study on accelerated partial breast irradiation using high-dose-rate interstitial brachytherapy. Clinical results at median 49 months.
Ken Yoshida1, Iwao Tsukiyama2, Shuji Asahi2, Naoto Shikama3, Toshiaki Saeki3, Yasunari Matsumura4, Shino Nakagawa4, Seiji Tachiiri5, Yoshio Moriguchi5, Tadayuki Kotsuma6, Norikazu Masuda6, Eisaku Yoden7, Nakashima Kazutaka7, Yuki Otani8, Takayuki Nose9, Masahiko Oguchi10, Takushi Dokiya3
Proceedings of the Annual Meeting of JASTRO 28: 186-186, 2015.

	O-075. Changes in the volume of the prostate gland with I-125 seed permanent implant brachytherapy for prostate cancer : Immediately versus one day after operation. Kazuhito Toya1, Atsunori Yorozu2, Ryuichi Kouta2, Yoshiaki Takagawa2, Akane Takahashi2, Yasuto Yagi3, Toru Nishiyama3, Shiro Saito3 Proceedings of the Annual Meeting of JASTRO 28: 186-186, 2015.

	O-076. Comparison of dose-volume parameters between 2-dimensinal planning and CT-based 3-dimensional planning in high-dose rate intracavitary brachytherapy for cervical cancer Ken Ando, Shigehiro Kudo, Kazuhide Obuchi, Takeshi Ebara Proceedings of the Annual Meeting of JASTRO 28: 187-187, 2015.

	O-077. Evaluation of a rare-earth phosphor as a quality assurance tool for high dose rate brachytherapy Takahiro Shimo1, Masahiro Kato1, Hisato Nagano2, Kubota Jun1, Shimozu Yoshinori3, Tashima Yasuhiro1, Yogo Katsunori4 Proceedings of the Annual Meeting of JASTRO 28: 187-187, 2015.

O-078. Early experience of Image Guided Adaptive Brachytherapy (IGABT) for Cervical Cancer using Magnestic Resonance Imaging (MRI)
Kenji Yoshida1, Daisuke Miyawaki1, Yoshiro Matsuo1, Ryo Nishikawa1, Hiroaki Akasaka1, Mayumi Omoteda1, Katsusuke Kyotani2, Fumie Ota3, Satoru Takahashi4, Hitoaki Satoh5, Yasuhiko Ebina6, Hideto Yamada6, Sasaki Ryohei1
Proceedings of the Annual Meeting of JASTRO 28: 187-187, 2015.

	O-079. Use of a Monte Carlo method to verify reductions in radiation exposure upon application of tungsten-functional paper I-125 seed brachytherapy Mikoto Tamura1, Hajime Monzen2, Kenji Matsumoto1, Kohei Shimomura1, Masakazu Otsuka1, Yoshiyuki Asai1, Masahiko Okumura1, Yasumasa Nishimura2 Proceedings of the Annual Meeting of JASTRO 28: 188-188, 2015.

	O-080. 2D ion chamber array for brachytherapy dose distribution verification Hiroyuki Yamamoto, Takuya Nishitani, Daichi Kume, Shigeki Yamada, Kiyotomo Matsugi, Aya Nakajima, Chikako Yamauchi Proceedings of the Annual Meeting of JASTRO 28: 188-188, 2015.

O-081. Evaluation of dose accumulation of external beam radiotherapy and brachytherapy using deformable image registration for cervical cancer : Can the accumulative dose be used in clinical practice?
Yuya Miyasaka1, Noriyuki Kadoya1, Yoshihiro Kuroda2, Kengo Ito1, Mizuki Chiba1, Yujiro Nakajima1, Takaya Yamamoto1, Masaki Kubozono1, Suguru Dobashi3, Ken Takeda3, Keiichi Jingu1
Proceedings of the Annual Meeting of JASTRO 28: 188-188, 2015.

	O-082. The predictive factor for deterioration of lower urinary tract symptoms (LUTS) after I-125 brachytherapy in prostate cancer patients Ayumu Fukazawa, Keiichiro Koiwai, Eriko Yoshizawa, Hironobu Ina, Katsuya Sakai, Takesumi Ozawa, Hirohide Matsushita, Shigeru Sasaki, Masumi Kadoya Proceedings of the Annual Meeting of JASTRO 28: 189-189, 2015.

	O-083. Development of dose calculation with simple inhomogeneity correction for High-Dose-Rate Ir-192 Brachytherapy Kengo Ito1, Noriyuki Kadoya1, Mizuki Chiba1, Masaki Kubozono1, Takaya Yamamoto1, Maiko Kozumi1, Noriyoshi Takahashi1, Suguru Dobashi2, Ken Takeda2, Haruo Matsushita1, Keiichi Jingu1 Proceedings of the Annual Meeting of JASTRO 28: 189-189, 2015.

O-084. A randomized phase II study of TS-1 plus cisplatin versus vinorelbine plus cisplatin with concurrent thoracic radiotherapy for locally advanced non-small cell lung cancer (LA-NSCLC) : WJOG5008L
Hideyuki Harada1, Tomonari Sasaki2, Takeharu Yamanaka3, Naonobu Kunitake4, Takeshi Kodaira5, Takuyo Kozuka6, Kiyoshi Nakamatsu7, Kazuhiko Nakagawa7, Yasumasa Nishimura7, Yoichi Nakanishi2
Proceedings of the Annual Meeting of JASTRO 28: 189-189, 2015.

	O-085. High-dose (74 GyE) Proton Beam Therapy with Concurrent Chemotherapy for Stage III Non-small Cell Lung Cancer Kayoko Ohnishi1, Okumura Toshiyuki1, Ishikawa Hitoshi1, Yoshiko Oshiro2, Masashi Mizumoto1, Haruko Numajiri1, Nobuyoshi Fukumitsu1, Teruhito Aihara1, Koji Tsuboi1, Hideyuki Sakurai1 Proceedings of the Annual Meeting of JASTRO 28: 190-190, 2015.

	O-086. Clinical outcomes of concurrent chemoradiotherapy for locally advanced stage III non-small-cell lung cancer Toshiya Maebayashi1, Takuya Aizawa1, Masakuni Sakaguchi1, Naoya Ishibashi1, Syoko Fukushima1, Jiro Kawamori2, Tsutomu Saito3, Yoshiaki Tanaka4 Proceedings of the Annual Meeting of JASTRO 28: 190-190, 2015.

	O-087. SBRT for metastatic lung tumors : oligo-recurrence achieves better PFS than sync-oligometastases Yuzuru Niibe1,3, TakayaYamamoto2, Hideomi Yamashita4, Kuniaki Katsui5, Keiichi Nakagawa4, Susumu Kanazawa5, Jiro Kawamori3, Wataru Takahashi4, Keiichi Jingu2, Atsuro Terahara1,4 Proceedings of the Annual Meeting of JASTRO 28: 190-190, 2015.

O-088. A phase II study of cisplatin plus S-1 with concurrent thoracic radiotherapy for locally advanced non-small-cell lung cancer : Okayama Lung Cancer Study Group Trial 0501
Kuniaki Katsui1, Mitsuhiro Takemoto2, Hiroki Ihara1, Takahiro Waki3,4, Norihisa Katayama1, Katsuyuki Hotta4, Nagio Takigawa5, Katsuyuki Kiura4, Mitsune Tanimoto4, Susumu Kanazawa1
Proceedings of the Annual Meeting of JASTRO 28: 191-191, 2015.

O-089. Prospective trial of accelerated partial breast irradiation using 3-dimensional conformal external beam radiation therapy in early stage breast cancer : report of long-term outcome
Kana Takahashi1, Yoshikazu Kagami2, Tairo Kashihara1, Kazuma Kobayashi1, Shuhei Sekii1, Rei Umezawa1, Koji Inaba1, Naoya Murakami1, Hiroshi Igaki1, Yoshinori Ito1, Jun Itami1
Proceedings of the Annual Meeting of JASTRO 28: 191-191, 2015.

	O-090. The effect of post-mastectomy radiation therapy on implant-based reconstruction for breast cancer Mami Ogita1, Jiro Kawamori1, Kenji Sekiguchi2, Shiho Kashiyama1, Norifumi Mizuno1, Kensuke Tani1, Haruna Takahashi1, Reika In3, Hideko Yamauchi3, Yoshiko Iwahira4 Proceedings of the Annual Meeting of JASTRO 28: 191-191, 2015.

	O-091. The characters and predictive factors of recurrence of BOOP after tangential irradiation in breast conserving therapy Yukinori Okada, Shingo Sakamoto, Mio Shinozaki, Tatsuyuki Abe, Hiromichi Gomi, Yasuo Nakajima Proceedings of the Annual Meeting of JASTRO 28: 192-192, 2015.

	O-092. Post-treatment evaluation of the breast conservative radiation planning according to breast volume and based on the irradiation methods Masahiro Kuroda1,2 Proceedings of the Annual Meeting of JASTRO 28: 192-192, 2015.

O-093. Non-surgical therapy of stage I and II breast cancer treatment with novel enzyme-targeting radiosensitization : Kochi Oxydol-Radiation Therapy for Unresectable Carcinomas, type II (KORTUC II).
Kana Kobayashi1, Nobutaka Aoyama1, Miki Nishimori1, Kenta Oogi1, Kanae Miyatake1, Siho Morita1, Akira Tsuzuki1, Norikazu Yokota1, Akihito Nishioka3, Yasuhiro Ogawa2, Takuji Yamagami1
Proceedings of the Annual Meeting of JASTRO 28: 192-192, 2015.

	O-094. The examination of positions of clips as breast tissue surgical margin index of breast conservative therapy with reconstruction. Noriko Horikawa1, Masako Miyasaka2, Masasi Masuda2, Yuki Imori2, Nobuyuki Sakamoto2, Hiroshi Iwami2, Yuuko Kodama2 Proceedings of the Annual Meeting of JASTRO 28: 193-193, 2015.

	O-095. Prognostic impact of proliferation marker Ki-67 on luminal breast cancer treated with breast conservation therapy Kenshiro Shiraishi1, Kobayashi Reiko1, Okuma Kae1, Nakagawa Keiichi1, Atsuhi Fukuuchi2, Nishi Tsunehiro2 Proceedings of the Annual Meeting of JASTRO 28: 193-193, 2015.

	O-096. Treatment results of postmastectomy radiation therapy for breast cancer patients ; experience of single institution. Yasuko Kumai1, Masahiko Oguchi1, Kazunari Miyazawa2, Keiko Murofushi1, Kunihiro Yoshida3, Harada Arisa1, Hirofumi Ohkubo1, Takao Asari1, Takashi Toshiyasu1, Daiki Kato1, Takuyo Kozuka1, Minako Sumi1 Proceedings of the Annual Meeting of JASTRO 28: 193-193, 2015.

	O-097. Is Bra Cup Size a Reliable Confounding Factor for the Evaluation of Acute Skin Toxicity Caused by Radiation Therapy in Breast Cancer? Anneyuko Saito, Tatsuya Inoue, Mayumi Nakasiro, Yasuo Kosugi, Hiroaki Kunogi, Takahisa Hirai, Satoshi Ishikura, Keisuke Usui, Chie Kurokawa, Satoru Sugimoto, Keisuke Sasai Proceedings of the Annual Meeting of JASTRO 28: 194-194, 2015.

	O-098. Questionnaire survey of axillary surgery and radiation therapy for breast cancer in Japan Chikako Yamauchi1, Wada Noriaki2, Yoshifumi Komoike3, Koichiro Tsugawa4, Daisuke Yotsumoto5, Tadahiko Shien6, Hitoshi Tsuda7, Sadatoshi Sugae8, Mari Oba9, Takayuki Ueno10, Kimiyasu Yoneyama11, Kimiko Hirata12, Shigeru Imoto10 Proceedings of the Annual Meeting of JASTRO 28: 194-194, 2015.

	O-099. Heart dose and adverse cardiac events after whole breast radiation, 10 year follow up Hirofumi Okubo, Osamu Suzuki, Kousuke Taketou, Yuji Seo, Fumiaki Isohashi, Yasuo Yosioka, Kazuhiko Ogawa Proceedings of the Annual Meeting of JASTRO 28: 194-194, 2015.

	O-100. Incidence of Organizing Pneumonia after Whole Breast Radiation Therapy for Breast Cancer and Analysis of Risk Factors Junko Ebi, Hisashi Sato, Masaru Nakajima, Ami Yukawa, Toshiyuki Suzuki Proceedings of the Annual Meeting of JASTRO 28: 195-195, 2015.

	O-101. Predictive Factor for Distant Metastasis in Esophageal Squamous Cell Carcinoma after Definitive Chemoradiotherapy Katsuyuki Sakanaka1, Yuuichi Ishida1, Satoshi Itasaka4, Yasumasa Ezoe2, Ikuo Aoyama2, Shinichi Miyamoto3, Takahiro Horimatsu2, Manabu Muto2, Masahiro Hiraoka1 Proceedings of the Annual Meeting of JASTRO 28: 195-195, 2015.

	O-102. Chemoradiotherapy for solitary lymph node metastasis after curative resection of esophageal cancer Sachiko Izumi, Katsuya Maebayashi, Yaichiro Hashimoto, Sawa Kono, Ishii Yuka, Kumiko Karasawa Proceedings of the Annual Meeting of JASTRO 28: 195-195, 2015.

	O-103. Combined radiotherapy - X-ray and proton therapy - for esophageal cancer with concurrent chemotherapy. Satoshi Shibata1, Hiroyasu Tamamura1, Yoshitaka Sato1, Sayuri Bou1, Makoto Sasaki1, Yoshikazu Maeda1, Yuji Tameshige1, Hisato Nakazawa1, Shigeyuki Takamatsu2, Kazutaka Yamamoto1 Proceedings of the Annual Meeting of JASTRO 28: 196-196, 2015.

	O-104. Comparison between Histogram-derived Apparent Diffusion Coefficient Parameters of Esophageal Squamous Cell Carcinoma and Tumor Regression after Chemoradiotherapy Maiko Kozumi, Hideki Ota, Takaya Yamamoto, Haruo Matsushita, Masaki Kubozono, Yojiro Ishikawa, Tomonori Matsuura, Kei Takase, Keiichi Jingu Proceedings of the Annual Meeting of JASTRO 28: 196-196, 2015.

	O-105. Salvage concurrent chemoradiotherapy for postoperative locoregional recurrence of esophageal cancer Tomoki Kiritoshi, Hideomi Yamashita, Reiko Kobayashi, Kuni Ohtomo, Keiichi Nakagawa Proceedings of the Annual Meeting of JASTRO 28: 196-196, 2015.

	O-106. Efficacy of Radiotherapy for dysphagia in Patients with esophageal cancer Yuri Shimizu, Yuzuru Niibe, Hideaki Shimada, Satoshi Yajima, Yoshinobu Kikuchi, Atsurou Terahara Proceedings of the Annual Meeting of JASTRO 28: 197-197, 2015.

	O-107. The Role of EMR/ESD for cT1N0M0 Esophageal Cancer Treated with Radiotherapy or Chemoradiotherapy. Yusuke Uchinami1, Miyako Myojin1, Hiroaki Takahashi2, Keiichi Harada3, Shinichi Shimizu3, Masao Hosokawa4 Proceedings of the Annual Meeting of JASTRO 28: 197-197, 2015.

	O-108. Radiation-induced lung injury in esophageal cancer patients after definitive radiotherapy Shigenobu Watanabe1, Ichiro Ogino1, Madoka Sugiura2, Chikara Kunisaki3 Proceedings of the Annual Meeting of JASTRO 28: 197-197, 2015.

	O-109. Definitive chemoradiotherapy for the patients with neuroendocrine carcinoma of the esophagus Shouko Komori1, Chikatoshi Katada2, Tsutomu Yoshida3, Mizutomo Azuma2, Kenji Ishido2, Shogo Kawakami4, Hiromichi Ishiyama1, Satoshi Tanabe5, Wasaburo Koizumi2, Kazushige Hayakawa1 Proceedings of the Annual Meeting of JASTRO 28: 198-198, 2015.

O-110. Radiotherapy and chemoradiotherapy to postoperative loco-regional recurrent esophageal cancer treated with Video Associated Thoracic Surgery of Esophagus (VATS-E).
Masako Kato1, Yoshikazu Kagami1, Ryoichi Yoshimura1,2, Hidenori Shinjo1, Madoka Morota3, Kouzou Murakami1, Yukiko Ozawa1, Naoyuki Okabe1, Rei Kobayashi1, Akifumi Niiya1
Proceedings of the Annual Meeting of JASTRO 28: 198-198, 2015.

	O-111. Concurrent chemo-radiotherapy for squamous cell carcinoma of the cervical esophagus Takeshi Ebara1, Shigehiro Kudo1, Ken Ando1, Yoshio Tamaki2, Hitoshi Ojima1 Proceedings of the Annual Meeting of JASTRO 28: 198-198, 2015.

	O-112. Evaluation of myocardial damage after chemoradiotheapy for esophageal carcinoma using 18-hour fasting FDG-PET Yuichi Ishida1, Katsuyuki Sakanaka1, Satoshi Itasaka3, Yuji Nakamoto2, Kaori Togashi2, Masahiro Hiraoka1 Proceedings of the Annual Meeting of JASTRO 28: 199-199, 2015.

	O-113. Comparison of Survival among Different Chemo-radiotherapies for Advanced Esophageal Squamous Cell Carcinoma. Hirotake Saito1, Ryuta Sasamoto2, Eisuke Abe1, Motoki Kaidu1, Fumio Ayukawa1, Toshimichi Nakano3, Nobuko Yamana3, Ohta Atsushi1, Katsuya Maruyama1, Kensuke Tanaka1, Hidefumi Aoyama1 Proceedings of the Annual Meeting of JASTRO 28: 199-199, 2015.

	O-114. Efficacy and safety of combined therapy of endoscopic submucosal dissection (ESD) and regional radiotherapy for esophageal carcinoma invading muscularis mucosae (MM) or submucosa (SM) Osamu Hisano1,2, Takeshi Nonoshita1, Hideyuki Watanabe1, Hiroaki Wakiyama1,3, Minoru Ono1 Proceedings of the Annual Meeting of JASTRO 28: 199-199, 2015.

	O-115. Treatment outcome of superficial thoracic esophageal cancer with involved field irradiation Sawa Kono, Sachiko Izumi, Katsuya Maebayashi, Yaichiro Hashimoto, Yuka Ishii, Kumiko Karasawa Proceedings of the Annual Meeting of JASTRO 28: 200-200, 2015.

	O-116. Efficacy of 2D-3D auto registration system for patient positioning in carbon ion radiotherapy Ryutarou Ooto1, Hiroshi Sato1, Genyu Kakiuchi1, Yuki Tomiyama1, Yoshikazu Tsunashima1, Shinichiro Mori2, Yoshiyuki Shioyania1, Syou Kudo1 Proceedings of the Annual Meeting of JASTRO 28: 200-200, 2015.

	O-117. Multi institutional survey of carbon ion radiotherapy for prostate cancer : a retrospective J-CROS study. Takuma Nomiya1, Hiroshi Tsuji1, Tadashi Kamada1, Shingo Toyama2, Yoshiyuki Shioyama2, Hidemasa Kawamura3, Tatsuya Ohno3, Hirohiko Tsujii1, Yuko Nakayama4, Kenji Nemoto5 Proceedings of the Annual Meeting of JASTRO 28: 200-200, 2015.

	O-118. The Phase II Study of Proton Beam Therapy as a Nonsurgical Approach For Mucosal Melanoma of the Nasal Cavity or Para-Nasal Sinuses Sadamoto Zenda1, Tetsuo Akimoto1, Masashi Mizumoto2, Ryuichi Hayashi1, Satoko Arahira1, Toshiyuki Okumura2, Hideyuki Sakurai2 Proceedings of the Annual Meeting of JASTRO 28: 201-201, 2015.

	O-119. Risk of pacemaker dysfunction associated with proton beam therapy Tomoko Ueyama1, Takeshi Arimura2, Takashi Ogino2, Ryutaro Higashi1, Soichiro Ito1, Fumihiko Nakamura1, Takashi Yoshiura1, Yoshio Hishikawa2 Proceedings of the Annual Meeting of JASTRO 28: 201-201, 2015.

	O-120. Daily dose evaluation utilizing In-room CT positioning system for prostate cancer in proton therapy Yoshitaka Sato, Yoshikazu Maeda, Sayuri Bou, Satoshi Shibata, Kazutaka Yamamoto, Hiroki Minami, Yutaka Yasukawa, Makoto Sasaki, Yuji Tameshige, Shigeru Kasahara, Yusuke Saga Proceedings of the Annual Meeting of JASTRO 28: 201-201, 2015.

	O-121. Dosimetric evaluation of reduced nozzle-to-target distance for spot scanning proton beams Kensuke Hayashi, Toshiyuki Toshito, Hiromitsu Iwata, Hiroki Shibata, Keisuke Yasui, Kenichiro Tanaka, Chihiro Omachi, Hiroyuki Ogino, Jun'Etsu Mizoe Proceedings of the Annual Meeting of JASTRO 28: 202-202, 2015.

	O-122. Development of new medical device for particle therapy : Experience of bioabsorbable spacer at the stage of clinical test Ryohei Sasaki1, Hiroaki Akasaka1, Miyawaki Daisuke1, Yusuke Demizu2, Shigeru Yamada3, Masao Murakami4, Takumi Fukumoto5 Proceedings of the Annual Meeting of JASTRO 28: 202-202, 2015.

	O-123. Analysis of multiple-course of proton beam therapy for patients with hepatocellular carcinoma Yoshiko Oshiro1,2, Masashi Mizumoto2, Toshiyuki Okumura2, Kuniaki Fukuda3, Nobuyoshi Fukumitsu2, Masato Abei3, Hitoshi Ishikawa2, Kayoko Ohnishi2, Koii Tsuboi2, Sakae Takeji2, Hideyuki Sakurai2 Proceedings of the Annual Meeting of JASTRO 28: 202-202, 2015.

	O-124. The rectal dose evaluation of IMRT and Carbon Ion RT for consecutive seventy-six prostate cancer patients. Kyohei Fukata1,2, Hidemasa Kawamura1,2, Nobuteru Kubo1,2, Hirofumi Shimada2, Motohiro Kawashima2, Hiro Sato1,2, Masahiro Kawahara1,2, Tatsuji Mizukami1,2, Tatsuaki Kanai1,2, Tatsuya Ohno1,2, Takashi Nakano1,2 Proceedings of the Annual Meeting of JASTRO 28: 203-203, 2015.

O-125. Correlation between hemodynamics change and local tumor control after proton beam therapy for hepatocellular carcinoma examined using dynamic-enhanced hepatic MRI
Shigeyuki Takamatsu1,2, Kazutaka Yamamoto2, Satoshi Shibata2, Satoh Yoshitaka2, Hiroyasu Tamamura2, Mariko Kawamura2,3, Satoko Asahi4, Tomoyasu Kumano1, Osamu Matsui5, Toshifumi Gabata5
Proceedings of the Annual Meeting of JASTRO 28: 203-203, 2015.

	O-126. Basic Investigation of Robustness in Carbon Ion Therapy for Lung Cancer using Patient Positioning with the Tumor Matching Method Makoto Sakai1, Yoshiki Kubota1, Yoshiyuki Hirano1, Daisuke Irie1, Ryosuke Okada2, Katsuyuki Shirai1, Jun-Ichi Saito1, Tatsuya Ohno1, Takashi Nakano1, Tatsuaki Kanai1, Masami Torikoshi1 Proceedings of the Annual Meeting of JASTRO 28: 203-203, 2015.

	O-127. Study of dose distribution difference between supine and prone positions in the carbon-ion treatment for the pancreatic tumor Kentaro Miki1, Mai Pukahori1, Motoki Kumagai1,2, Shihichiro Mori1, Shigeru Yamada1 Proceedings of the Annual Meeting of JASTRO 28: 204-204, 2015.

	O-128. Spot Scanning Proton Beam Therapy Versus IMRT for Whole Pelvis Radiotherapy of Uterine Cervical Cancer : a Planning Study Shingo Hashimoto1,2,3, Yukiko Hattori1,2,3, Hiromitsu Iwata1,2, Hiroyuki Ogino1,2, Hiroki Shibata1, Toshiyuki Toshito1, Maho Yamada2, Baba Fumiya2, Sugie Chikao3, Yuta Shibamoto3, Jun-Etsu Mizoe1,2,3 Proceedings of the Annual Meeting of JASTRO 28: 204-204, 2015.

	O-129. Current results of carbon ion radiotherapy for choroidal melanoma Hirokazu Makishima, Hiroshi Tsuji, Takuma Nomiya, Goro Kasuya, Hirohiko Tsujii, Tadashi Kamada Proceedings of the Annual Meeting of JASTRO 28: 204-204, 2015.

	O-130. Tumor regression curve after concurrent chemo-proton therapy for unresectable stage III non-small cell lung cancer Hiromitsu Iwata1,2, Hiroyuki Ogino1, Kenshi Akita3, Yusuke Yamaba3, Yukiko Hattori1,2, Shingo Hashimoto1,2, Katsushi Nakamae4, Maho Yamada5, Fumiya Baba5, Yuta Shibamoto2, Jun-Etsu Mizoe1,2 Proceedings of the Annual Meeting of JASTRO 28: 205-205, 2015.

	O-131. Accuracy evaluation of position verification systems for breast cancer in proton beam therapy Natsumi Kawaguchi, Kiyotaka Wada, Takeshi Arimura, Kohei Moewaki, Tomohiro Nakata, Takashi Ogino, Yoshio Hishikawa Proceedings of the Annual Meeting of JASTRO 28: 205-205, 2015.

	O-132. Concurrent chemoradiotherapy using proton beams for esophageal cancer Hitoshi Ishikawa, Daichi Takizawa, Keiichi Tanaka, Kaori Sugawara, Hirokazu Makishima, Toshiki Ohno, Masashi Mizumoto, Kayoko Ohnishi, Haruko Numajiri, Toshiyuki Okumura, Hideyuki Sakurai Proceedings of the Annual Meeting of JASTRO 28: 205-205, 2015.

O-133. Treatment outcomes of particle therapy using protons or carbon ions for locally advanced nasal cavity and paranasal sinus squamous cell carcinoma.
Yutaka Toyomasu1, Yusuke Demizu2, Tomoko Kawamura1, Akinori Takada1, Noriko Ii1, Kazuki Terashima2, Osamu Fujii2, Dongcun Jin2, Yoshihito Nomoto1, Tomoaki Okimoto2, Nobukazu Fuwa3
Proceedings of the Annual Meeting of JASTRO 28: 206-206, 2015.

	O-134. Verification of the conversion accuracy of CT number to relative stopping power by using the polybinary calibration method Ryuta Hirai1, Ryosuke Kohno2, Shie Nishioka2, Kazunori Miyaura1, Yu Kumazaki1, Tetsuo Akimoto1, Shingo Katou1 Proceedings of the Annual Meeting of JASTRO 28: 206-206, 2015.

	O-135. Dose-volume comparison of proton therapy and intensity modulated radiation therapy for maxillary sinus carcinoma Yuki Narita1, Takahiro Kato1, Sho Oyama1, Hiromitsu Endo1, Kazuhiro Arai1, Hisao Ouchi1, Yoshitomo Abe1, Tatsuya Nakamura1, Masato Hareyama1, Yasuhiro Kikuchi1, Youichiro Hosokawa2 Proceedings of the Annual Meeting of JASTRO 28: 206-206, 2015.

	O-136. A seven-year review of more than 13,000 treatment beam results at Southern Tohoku Proton Therapy Center Takahiro Kato, Takuya Matsumoto, Sho Oyama, Kazuhiro Arai, Tomoya Hirogaki, Tomoaki Motoyanagi, Masaki Suzuki, Katsuji Yokota, Tatsuya Nakamura, Masato Hareyama, Yasuhiro Kikuchi Proceedings of the Annual Meeting of JASTRO 28: 207-207, 2015.

O-137. Radiotherapy for Portal Vein Tumor Thrombosis or Inferior Vena Cava Tumor Thrombosis : Comparison with Stereotactic Body Radiotherapy and 3-dimensional conformal radiotherapy
Yoshiro Matsuo1,2, Kenji Yoshida1, Hideki Nishimura2, Yuko Inoue1, Ryo Nishikawa1, Naoki Hashimoto2, Takeaki Ishihara1, Aya Harada2, Haruka Uezono2, Daisuke Miyawaki1, Hiroshi Mayahara2, Yasuo Ejima1, Sasaki Ryohei1
Proceedings of the Annual Meeting of JASTRO 28: 207-207, 2015.

	O-138. Experience of primary proton beam therapy for intrahepatic cholangiocarcinoma. Kosei Miura1, Toshiyuki Okumura1, Nobuyoshi Fukumutsu1, Masashi Mizumoto1, Kuniaki Fukuda2, Masato Abei2, Hitoshi Ishikawa1, Kayoko Ohnishi1, Haruko Numajiri1, Koji Tsuboi1, Hideyuki Sakurai1 Proceedings of the Annual Meeting of JASTRO 28: 207-207, 2015.

	O-139. Acute gastric ulcer after carbon-ion radiotherapy in pancreatic cancer patients Makoto Shinoto, Yoshiyuki Shioyama, Hiroaki Suefuji, Akira Matsunobu, Shingo Toyama, Sho Kudo Proceedings of the Annual Meeting of JASTRO 28: 208-208, 2015.

	O-140. The experience of intensity-modulated radiation therapy combined with hepatic artery infusion chemotherapy for advanced HCC with portal vein tumor thrombus or inferior vena cava tumor thrombus. Masayoshi Inoue, Kazuya Inoue, Emiko Shimoda, Masahiro Morimoto, Isao Asakawa, Tetsuro Tamamoto, Masatoshi Hasegawa Proceedings of the Annual Meeting of JASTRO 28: 208-208, 2015.

	O-141. Proton beam therapy for metastatic liver tumors Nobuyoshi Fukumitsu, Toshiyuki Okumura, Daichi Takizawa, Haruko Numajiri, Masashi Mizumoto, Kayoko Ohnishi, Teruhito Aihara, Hitoshi Ishikawa, Koji Tsuboi, Hideyuki Sakurai Proceedings of the Annual Meeting of JASTRO 28: 208-208, 2015.

	O-142. Treatment Outcome of Stereotactic Body Radiation Therapy for Hepatocellular Carcinoma Takuya Yamazaki1, Akiko Egawa1, Daisuke Nakamura1, Kazuaki Yasui1, Nobuyuki Hayashi2, Masataka Uetani1 Proceedings of the Annual Meeting of JASTRO 28: 209-209, 2015.

O-143. Stereotactic body radiotherapy using 48Gy in four fractions at the isocenter for patients with small hepatocellular carcinoma ineligible for resection or ablation therapies
Rika Kohno1, Tomoki Kimura1, Katsumaro Kubo2, Keiichi Ohnishi1, Hideo Kawabata1, Ikuno Nishibuchi1, Yoshiko Doi1, Tomoyuki Okabe1, Masahiro Kenjo1, Yuji Murakami1, Yasushi Nagata1
Proceedings of the Annual Meeting of JASTRO 28: 209-209, 2015.

	O-144. Dosimetric comparison between carbon ion radiotherapy and stereotactic body radiotherapy with photon beams for hepatocellular carcinoma Takanori Abe1, Jun-Ichi Saitoh1, Daijiro Kobayashi1, Kei Shibuya1, Yoshinori Koyama2, Hirohumu Shimada2, Katsuyuki Shirai1, Tatsuya Ohno2, Takashi Nakano1 Proceedings of the Annual Meeting of JASTRO 28: 209-209, 2015.

	O-145. Carbon ion radiotherapy for locoregional recurrence after surgery for pancreatic cancer Shohei Kawashiro, Shigeru Yamada, Shigeo Yasuda, Naomi Okada, Yuka Isozaki, Tadashi Kamada Proceedings of the Annual Meeting of JASTRO 28: 210-210, 2015.

	O-146. Analysis of the respiratory motion of lymph node regions in patients with pancreatic cancer using contrast-enhanced 4-dimensional computed tomography Shigeo Takahashi, Toshifumi Kinoshita, Toru Shibata Proceedings of the Annual Meeting of JASTRO 28: 210-210, 2015.

	O-147. C-reactive protein predicts outcome and pattern of failure after chemoradiotherapy for locally advanced pancreatic cancer Takahiro Kishi1, Akira Nakamura1, Yoko Goto1, Katsuyuki Sakanaka1, Satoshi Itasaka2, Keiko Shibuya3, Takashi Mizowaki1, Masahiro Hiraoka1 Proceedings of the Annual Meeting of JASTRO 28: 210-210, 2015.

	O-148. Radiation induced immunogenic tumor cell death evokes abscopal effect in the brain Koji Tsuboi1, Zenkoh Junko1, Ariungerel Gerelchuluun1, Suzuki Kenshi1, Ito Atsuo2, Ohno Tadao3 Proceedings of the Annual Meeting of JASTRO 28: 211-211, 2015.

	O-149. The role of external-beam radiotherapy combined with immunoradiotherapy using Yttrium-90-Ibritumomab Tiuxetan Shunji Okae Proceedings of the Annual Meeting of JASTRO 28: 211-211, 2015.

	O-150. Efficacy of Autologous Tumor Vaccine as a Compartment of Multidisciplinary Treatment with Limb-sparing Surgery and Radiotherapy on A patient of Undifferentiated Pleomorphic Sarcoma (MFH) Takeshi Todoroki1, Hideyuki Takeda1, Toshiyuki Okumura2, Toshihiko Sato3, Noriaki Kameda4, Tadao Ohno5 Proceedings of the Annual Meeting of JASTRO 28: 211-211, 2015.

O-151. Phase II study of concurrent chemoradiotherapy with weekly CDDP/PTX in patients with locally advanced uterine cervical cancer : JACCRO-GY-01 trial.
Shin-Ei Noda1, Tatsuya Ohno1, Kenji Umayahara2, Yasuyuki Hirashima3, Fumiki Hirahara4, Eiji Hirata5, Tsutomu Tabata6, Yoichi Aoki7, Masaru Wakatsuki8, Masahiro Takeuchi9, Takafumi Toita10, Takeshima Nobuhiro2
Proceedings of the Annual Meeting of JASTRO 28: 212-212, 2015.

	O-152. Phase II study to assess safety and efficacy of chemoradiotherapy with nedaplatin for uterine cervical cancer. Kae Okuma, Hideomi Yamashita, Reiko Kobayashi, Keiichi Nakagawa Proceedings of the Annual Meeting of JASTRO 28: 212-212, 2015.

	O-153. Dose-volume analysis of predictors for chronic GI complications in patients with cervical cancer treated with postoperative pelvic radiotherapy and concurrent nedaplatin-based chemotherapy Fumiaki Isohashi, Keisuke Tamari, Yutaka Takahashi, Iori Sumida, Osamu Suzuki, Yuji Seo, Yasuo Yoshioka, Kazuhiko Ogawa Proceedings of the Annual Meeting of JASTRO 28: 212-212, 2015.

	O-154. Outcomes of postoperative radiotherapy for pelvic lymph node-positive uterine cervical cancer : A multi-institutional survey in Japan Sunao Tokumaru1, Masaru Wakatsuki2, Takashi Uno3, Yuko Kaneyasu4,11, Tomoko Kazumoto5, Yoko Harima6, Shin-Ei Noda7, Yuzuru Niibe8, Chisato Shimanoe9, Takafumi Toita10 Proceedings of the Annual Meeting of JASTRO 28: 213-213, 2015.

	O-155. Preliminary result of MR/CT based image guided brachytherapy in cervical carcinoma Miho Watanabe1, Yu Kawashima2, Gentaro Togasaki2, Aki Kanazawa2, Marie Kurokawa2, Harada Rintaro2, Hiroki Kobayashi1, Takashi Uno1 Proceedings of the Annual Meeting of JASTRO 28: 213-213, 2015.

O-156. Postoperative intensity modulated radiation therapy reduces the incidence of late gastrointestinal complications for patients with cervical cancer
Keisuke Tsuchida1, Naoya Murakami1, Tomoyasu Kato2, Tairo Kashihara1, Kazuma Kobayashi1, Ken Harada1, Shuhei Sekii1, Rei Umezawa1, Kana Takahashi1, Koji Inaba1, Hiroshi Igaki1, Yoshmori Ito1, Itami Jun1
Proceedings of the Annual Meeting of JASTRO 28: 213-213, 2015.

	O-157. Comparison of D90 prescription and point A prescription in radical radiotherapy for patients with cervical cancer. Nobuki Imano, Kouichi Wadasaki Proceedings of the Annual Meeting of JASTRO 28: 214-214, 2015.

	O-158. The predictability of late bone disorders after pelvic irradiation for cervical cancer patients Yoshizumi Kitamoto, Jun Eishima, Negishi Chikashi, Yoichi Sato, Masahiro Takahashi, Ikuro Ito, Hiroshi Aoki, Sakaki Katagai Proceedings of the Annual Meeting of JASTRO 28: 214-214, 2015.

	O-159. Clinical outcomes of postoperative radiation therapy for cervical cancer Hiroki Ushijima1, Tomoko Kazumoto1, Yu Ohkubo1, Masahiro Onishi1, Yoshihiro Saito1, Koji Horie2, Kazuko Kubota2, Shiho Miura2, Yuichiro Miyamoto2, Kensuke Tomio2, Harushige Yokota2 Proceedings of the Annual Meeting of JASTRO 28: 214-214, 2015.

	O-160. Concurrent chemoradiotherapy for locally advanced adenocarcinoma of the uterine cervix Tetsuo Nonaka1, Yuko Nakayama1, Nobutaka Mizoguchi1, Yasuhito Hagiwara1, Shogo Kawakami1, Toyokazu Hayakawa1, Ryo Onose2, Hisamori Kato2 Proceedings of the Annual Meeting of JASTRO 28: 215-215, 2015.

	O-161. Evaluation of ambulatory treatment with nedaplatin-based concurrent chemoradiotherapy for cervical cancer in our hospital Masateru Fujiwara1, Hiroshi Ikeda1, Toshiya Yamamoto2, Masashi Chatani3, Takao Kitano1, Ryoga Nakata1, Atsuko Hirai1, Miyuki Sakemi1 Proceedings of the Annual Meeting of JASTRO 28: 215-215, 2015.

	O-162. Retrospective analysis of pelvic insufficiency fracture after whole-pelvic irradiation in cervical cancer Kota Fujii, Haruo Inokuchi, Yurie Tsutsumi, Yoko Goto, Takashi Mizowaki, Masahiro Hiraoka Proceedings of the Annual Meeting of JASTRO 28: 215-215, 2015.

	O-163. Impacts of the Rho pathways on clinical outcomes of the chemoradiotherapy for cervical cancer Keiichi Tanaka1, Ishikawa Hitoshi1, Yoshitaka Matsumoto1, Haruko Numajiri1, Keiko Murofushi1, Takashi Saito1, Reiko Kanuma1, Toshiyuki Okumura1, Hiroyuki Yoshikawa2, Hideyuki Sakurai1 Proceedings of the Annual Meeting of JASTRO 28: 216-216, 2015.

	O-164. Clinical outcomes of postoperative radiotherapy (PORT) for cervical cancer at University of Tokyo Hospital from 2010 to 2015 Noriyasu Sekiya, Kae Ohkuma, Hideomi Yamashita, Keiichi Nakagawa, Kuni Ohtomo Proceedings of the Annual Meeting of JASTRO 28: 216-216, 2015.

	O-165. Non-malignant localized ascites as a late response to pelvic irradiation for uterine cervix cancer Kazufumi Kagawa, Kazuhiko Hayashi, Kazuo Tarutani, Takao Hashimoto, Kazutoshi Yabuta, Daisuke Miwa, Masayuki Tanaka, Aya Fujii, Yuuki Todo, Hiroki Fujimoto Proceedings of the Annual Meeting of JASTRO 28: 216-216, 2015.

	O-166. Stage I-II Diffuse Large B-Cell Lymphoma in Head and Neck Treated with Rituximab-CHOP (R-CHOP) followed by Radiotherapy Saiji Ohga1, Katsumasa Nakamura2, Yoshiyuki Shioyama3, Tomonari Sasaki1, Toshihiro Yamaguchi1, Tadamasa Yoshitake1, Kaori Asai1, Keiji Matsumo1, Hiroshi Honda1 Proceedings of the Annual Meeting of JASTRO 28: 217-217, 2015.

O-167. Interim analysis of the multi-institutional retrospective study of radiation therapy for NK/T-cell lymphoma in Japan : NKEA project Part A
Masahiko Oguchi1, Motoko Yamaguchi2, Ritsurou Suzuki3, Keisuke Sasai4, Masatoshi Hasegawa4, Ejima Yasuo4, Kouichi Isobe'4, Toshinori Soejima4, Michiko Imai4, Naoya Ishibashi4, Yasuko Kumai1
Proceedings of the Annual Meeting of JASTRO 28: 217-217, 2015.

	O-168. Clinical benefit of irradiation for central nervous system relapse with diffuse large B-cell lymphoma Yuki Okazawa, Masaaki Yamashina, Kaori Nakajima Proceedings of the Annual Meeting of JASTRO 28: 217-217, 2015.

O-169. Treatment Results of High-dose Methotrexate Followed by Whole Brain Radiotherapy with or without Boost Irradiation for Primary CNS Lymphoma
Ikuno Nishibuchi1, Koichi Wadasaki2, Masahiro Kenjyo1, Keiichi Ohnishi1, Rika Kohno1, Hideo Kawabata1, Yuki Takeuchi1, Yoshiko Doi1, Tomoyuki Okabe1, Tomoki Kimura1, Yuji Mulakami1, Yasushi Nagata1
Proceedings of the Annual Meeting of JASTRO 28: 218-218, 2015.

	O-170. Total skin electron beam therapy for mycosis fungoides - Single institute experiences using 6 dual-fields technique - Yoshio Tamaki1,2, Toshiki Ohno1, Takashi Saito1, Kazunori Nitta1, Hideaki Ikoma1, Makoto Shimizu1, Kentarou Aizawa1, Seiko Ebine1, Yasuyuki Hayashi3, Toshiyuki Okumura4, Hideyuki Sakurai4 Proceedings of the Annual Meeting of JASTRO 28: 218-218, 2015.

	O-171. The influence of using the dynamic jaw mode on dose distribution of a target with longitudinal respiratory motion in helical tomotherapy : a phantom study Chikao Sugie1, Murai Taro1, Fukuma Hiroshi1, Eguchi Yuta1, Tsuchiya Takahiro1, Hirose Yasujiro1, Manabe Yoshihiko1, Hayashi Akihiro2, Takaoka Taiki3, Shibamoto Yuta1 Proceedings of the Annual Meeting of JASTRO 28: 218-218, 2015.

	O-172. Performance evaluation of dynamic tumor tracking techniques between robot arm-based technique and gimbal-based technique using house-developed new dynamic moving phantom with four axes drives Katsuyuki Karasawa, Kito Satoshi, Tomoyuki Okano, Manabu Kanda, Ken-Ichi Motoyoshi, Shimpei Hashimoto, Tomohisa Furuya, Keiji Nihei Proceedings of the Annual Meeting of JASTRO 28: 219-219, 2015.

	O-173. Automated monitoring system of 4D dose distribution using a portal dose image-based 2D/3D registration with adaptive transformation parameters in SBRT Takahiro Nakamoto1,2, Hidetaka Arimura1, Tomonari Sasaki1, Ken'Ichi Moro-Oka1, Taka-Aki Hirose3, Yoshiyuki Umezu3, Yasuhiko Nakamura3, Hiroshi Honda1, Hideki Hirata1 Proceedings of the Annual Meeting of JASTRO 28: 219-219, 2015.

	O-174. Impact of dynamic MLC-based tumor tracking on radiotherapy for lung cancer : Dosimetric comparison between non-gated, gated and tracking plan Yujiro Nakajima1, Noriyuki Kadoya1, Kei Ichiji2, Tomoya Uchida3, Yo Guo1, Kengo Ito1, Yojiro Ishikawa1, Ken Takeda2, Yoshihiro Takai4, Noriyasu Homma3, Keiichi Jingu1 Proceedings of the Annual Meeting of JASTRO 28: 219-219, 2015.

	O-175. Measurement of respiratory movement of the chest and upper abdominal organs using inspiratory and expiratory CT Yukiyasu Ehara, Hideomi Yamashita, Keiichi Nakagawa Proceedings of the Annual Meeting of JASTRO 28: 220-220, 2015.

	O-176. A Future Radiosensitizor from the Spinach, MGDG, Induced Apoptosis in the Pancreatic Cancer Cells Combined with Radiation In vitro and In vivo Hiroaki Akasaka1, Ejima Yasuo1, Kenji Yoshida1, Daisuke Miyawaki1, Takeaki Ishihara1, Naritoshi Mukumoto1, Haruka Uezono3, Yoshiyuki Mizushina2, Ryohei Sasaki1 Proceedings of the Annual Meeting of JASTRO 28: 220-220, 2015.

O-177. Usefulness of fractionated administrations of thalidomide combined with gamma-ray irradiation in terms of local tumor response and lung metastasis.
Shin-Ichiro Masunaga1, Yu Sanada1, Keizo Tano1, Yoshinori Sakurai2, Hiroki Tanaka2, Minoru Suzuki3, Masaru Narabayashi3, Tsubasa Watababe3, Takushi Takata2, Akira Maruhashi2, Koji Ono3
Proceedings of the Annual Meeting of JASTRO 28: 220-220, 2015.

	O-178. HIF-1-mediated Secretion of SHH Functions in the Formation of Stroma-rich Microenvironment of Pancreatic Cancers Tomohiro Katagiri1, Hiroshi Harada1,2,3, Michio Yoshimura1, Masahiro Hiraoka1 Proceedings of the Annual Meeting of JASTRO 28: 221-221, 2015.

	O-179. Pravastatin protects normal intestine and lung from radiation exposure in mice Hiroshi Doi1, Seiji Matsumoto2, Soichi Odawara1, Toshiyuki Shikata3, Masao Tanooka4, Kengo Kosaka1, Kazuhiro Kitajima1, Yasuhiro Takada1, Tohru Tsujimura5, Norihiko Kamikonya1, Shozo Hirota1 Proceedings of the Annual Meeting of JASTRO 28: 221-221, 2015.

	O-180. Response of multiple lung-metastatic tumor to microplanar beam irradiation Naritoshi Mukumoto1, Masao Nakayama1, Hiroaki Akasaka1, Ray Cory Uchida1, Keiji Umetani2, Nobuteru Nariyama2, Takeaki Ishihara1, Daisuke Miyawaki1, Kenji Yoshida1, Yasuo Ejima1, Ryohei Sasaki1 Proceedings of the Annual Meeting of JASTRO 28: 221-221, 2015.

	O-181. Carbon-ion beams efficiently kill cancer cells showing resistance to X-rays and cisplatin by inducing mitotic catastrophe. Daijiro Kobayashi1, Oike Takahiro1,2, Shibata Atsushi3, Niimi Atsuko4, Amornwichet Napapat5, Yoshimoto Yuya1, Sato Hiro1, Isono Mayu6, Yoshida Yukari6, Kohno Takashi7, Ohno Tatsuya6, Nakano Takashi1 Proceedings of the Annual Meeting of JASTRO 28: 222-222, 2015.

	O-182. Formation and functional analysis of specific tRNA granules caused by X-ray irradiation Atsuto Katano1, Ryu Miyagawa2, Hideomi Yamashita1, Teppei Morikawa2, Keiichi Nakagawa1, Masashi Fukayama2, Kuni Ohtomo1 Proceedings of the Annual Meeting of JASTRO 28: 222-222, 2015.

	O-183. Biological effects of a radiation hormesis sheet emitting very low dose-rate gamma rays Chikao Sugie1, Shibamoto Yuta1, Hashimoto Shingo2, Tsuchiya Takahiro1, Matsuo Masayuki1, Takaoka Taiki3, Ogawa Yasutaka1, Kawai Tatsuya1, Hirose Yasujiro1, Iwata Hiromitsu2 Proceedings of the Annual Meeting of JASTRO 28: 222-222, 2015.

	O-184. Biological effects of hydrogen peroxide administered intratumorally with or without irradiation in murine tumors Taiki Takaoka1, Yuta Shibamoto1, Masayuki Matsuo1, Chikao Sugie1, Taro Murai1, Yoshihiko Manabe1, Yasutaka Ogawa1, Koichiro Nakagima1, Akifumi Miyakawa2, Takuhito Kondo2 Proceedings of the Annual Meeting of JASTRO 28: 223-223, 2015.

	O-185. Effects of the synchrotron X-ray microbeam spacing on mouse normal brain tissue Masao Nakayama1,2, Naritoshi Mukumoto1, Hiroaki Akasaka1, Daisuke Miyawaki1, Hideki Nishimura2, Keiji Umetami3, Takeshi Kondoh4, Ryohei Sasaki1 Proceedings of the Annual Meeting of JASTRO 28: 223-223, 2015.

	O-186. Commissioning of IMRT and VMAT on a newly introduced radiation treatment planning system Takahiro Tsuchiya1, Yuta Eguchi1, Hiroshi Fukuma1, Yuto Kitagawa1, Yuji Mekata1, Harumasa Kasai1, Yasujiro Hirose1, Yuta Shibamoto1,2 Proceedings of the Annual Meeting of JASTRO 28: 223-223, 2015.

	O-187. A Study of high dose rate irradiation in Stereotactic Body Radiotherapy (SBRT) Naoki Kaneda, Takahiro Aoyama, Yositaka Minami, Mio Andou, Kazuhiko Nakamura, Hironori Ozeki, Masaru Nakamura Proceedings of the Annual Meeting of JASTRO 28: 224-224, 2015.

	O-188. Fundamental study of DVH analysis using the different patient specific dose QA system for prostate static IMRT Wataru Yokohama1, Yasuharu Sugawara1, Kazuki Kotabe1, Kazuyoshi Kanai1, Yu Abe2 Proceedings of the Annual Meeting of JASTRO 28: 224-224, 2015.

	O-189. Comparison of 3D printing materials for customized bolus in radiotherapy Itaru Soda1, Hiromichi Ishiyama1, Shigetoshi Noda2, Nobuaki Syuto2, Katsunori Yogo3, Shouko Komori1, Akane Sekiguchi1, Shogo Kawakami4, Kouji Takenaka1, Marika Nozawa1, Kazushige Hayakawa1 Proceedings of the Annual Meeting of JASTRO 28: 224-224, 2015.

	O-190. Evaluation of Ionization chamber array for patient-specific quality assurance with IMRT and VMAT Katsumi Shima, Hitoshi Tanaka, Yuichi Saito, Hidenori Osanai, Norihiro Matsushita, Mitsuhiro Iwai, Kouhei Shibayama, Rina Yakabe, Mitsunori Sekizawa Proceedings of the Annual Meeting of JASTRO 28: 225-225, 2015.

	O-191. Measurement of actual dose per pulse for flattening filter free beam Hideki Kojima1, Makoto Takigami1, Tomohiro Asano1, Daisuke Tanii2, Motohiro Fuwa3, Tomoyuki Ariji4, Masayori Ishikawa5 Proceedings of the Annual Meeting of JASTRO 28: 225-225, 2015.

	O-192. Feasibility study about properties of the diode detector for in-vivo dosimetry Daisuke Fujiyama, Yuya Suzuki, Okamoto Hiroyuki, Wakita Akihisa, Nakamura Satoshi, Kato Tooru, Abe Yoshihisa, Itami Jun Proceedings of the Annual Meeting of JASTRO 28: 225-225, 2015.

	O-193. Energy response of radiophotoluminescent glass dosimeter for non-reference condition in a photon field Shimpei Hashimoto, Tomoyuki Okano, Tomohisa Furuya, Satoshi Kito, Keiji Nihei, Katsuyuki Karasawa Proceedings of the Annual Meeting of JASTRO 28: 226-226, 2015.

	O-194. Toward volume-based independent dose verification as secondary check Hidenobu Tachibana, Rie Tachibana Proceedings of the Annual Meeting of JASTRO 28: 226-226, 2015.

	O-195. Development of QA Phantom for whole pelvic IMRT Masakuni Kawakami, Keita Tanabe, Masaaki Nishimura, Chiharu Moriya, Hirokazu Tatsumi, Masayuki Tsuji, Yoshikazu Murakami, Toshimi Yasunaga, Masato Fushiki Proceedings of the Annual Meeting of JASTRO 28: 226-226, 2015.

	O-196. A feasibility study of independent dose verification for Vero4DRT Mikiko Yamashita1,2, Ryo Takahashi3, Hidenobu Tachibana4, Masaki Kokubo1,2, Kenji Takayama1,2, Hiroaki Tanabe2, Masaki Sueoka2, Masao Ishii1, Noboru Okuuchi2, Yukio Iwamoto1 Proceedings of the Annual Meeting of JASTRO 28: 227-227, 2015.

	O-197. Accuracy of a Clarkson-based independent dose calculation for the Helical Tomotherapy Hironori Nagata1,2, Hideyuki Hongo1,3, Daisuke Kawai4, Hidenobu Tachibana5, Ryo Takahashi6, Harumitsu Hashimoto7 Proceedings of the Annual Meeting of JASTRO 28: 227-227, 2015.

	O-198. Accuracy and feasibility of independent dose verification for CyberKnife Aya Sato1, Masanobu Itano2, Takeshi Yamazaki2, Tadaaki Noda1, Yoshiyuki Keduka1, Hidenobu Tachibana3 Proceedings of the Annual Meeting of JASTRO 28: 227-227, 2015.

	O-199. Impact of out-of-field dose under the MLC for independent dose verification for IMAT Tatsuya Kamima1, Ryo Takahashi1, Hiromi Baba2, Mikiko Yamashita3, Yasuharu Sugawara4, Hidenobu Tachibana2 Proceedings of the Annual Meeting of JASTRO 28: 228-228, 2015.

	O-200. Predictive power of machine log file-based patient specific QA for prostate VMAT : Correlation between measurement and long file-based dose reconstruction Masahide Saito1, Noriyuki Kadoya1, Kengo Ito1, Mizuki Chiba1, Suguru Dobashi2, Kazuma Kishi3, Kiyokazu Sato3, Ken Takeda2, Keiichi Jingu1 Proceedings of the Annual Meeting of JASTRO 28: 228-228, 2015.

	O-201. Impact of out-of-field dose calculation in the delivery techniques for IMRT Hiromi Baba1, Tatsuya Kamima2, Ryo Takahashi2, Daisuke Kawai3, Yasuharu Sugawara4, Toshijiro Yamamoto5, Aya Satou6, Mikiko Yamashita7, Hidenobu Tachibana1 Proceedings of the Annual Meeting of JASTRO 28: 228-228, 2015.

	O-202. Retrospective analysis of patient-specific IMRT quality assurance Yasumasa Kakinohana, Takafumi Toita, Takurou Ariga, Jouich Heianna Proceedings of the Annual Meeting of JASTRO 28: 229-229, 2015.

	O-203. Characteristics of the high energy photon beam output for the Linac equipped with upper level mounted MLC Tomo Kojima1, Koji Sasaki2, Hidetoshi Shimizu3, Taiki Isomura3, Kazuyasu Inoue1, Yasuo Shiota4, Michiko Imai5 Proceedings of the Annual Meeting of JASTRO 28: 229-229, 2015.

	O-204. Evaluation of dose reductions caused by air-gaps between bolus and skin surface in Helical Tomotherapy Tsuyoshi Terazaki1, Shigetoshi Noda1, Nobuaki Syutou1, Hiromichi Ishiyama2, Minoru Ishigami1, Ryuji Inada1, Kazushige Hayakawa2 Proceedings of the Annual Meeting of JASTRO 28: 229-229, 2015.

	O-205. Quantitative estimation of gamma passing rates from characteristics of respiratory motion Kazunori Tanaka1, Nakamura Mitsuhiro2, Fukumoto Kenta1, Kosuga Tomohiro1, Yanagawa Masao1, Miyai Akira1, Tachiiri Seiji3, Otsu Shuji3, Kuwabara Katsunori1 Proceedings of the Annual Meeting of JASTRO 28: 230-230, 2015.

	O-206. Radiation Induced Hypothyroidism in Squamous Cell Carcinoma of the Head and Neck : a Dose-Volume Histogram Analysis Daisuke Miyawaki1, Naritoshi Mukumoto1, Yasuo Ejima1, Kenji Yoshida1, Takeaki Ishihara1, Naomi Kiyota2, Miki Saito3, Naoki Otsuki3, Ken-Ichi Nibu3, Ryohei Sasaki1 Proceedings of the Annual Meeting of JASTRO 28: 230-230, 2015.

	O-207. The long-term outcomes of alternating chemoradiotherapy for locoregionally advanced nasopharyngeal carcinoma : A multi-institutional phase II study Nobukazu Fuwa Proceedings of the Annual Meeting of JASTRO 28: 230-230, 2015.

	O-208. Treatment of hypopharyngeal cancer using concomitant cetuximab and radiation therapy : second report Keiko Yuasa-Nakagawa, Keiji Hayashi, Kazuma Toda, Ryoichi Yoshimura Proceedings of the Annual Meeting of JASTRO 28: 231-231, 2015.

	O-209. A comparison of different skin clips over skin toxicity in bio-intensity modulated radiotherapy (IMRT) with cetuximab. Koji Inaba, Kazuma Kobayashi, Naoya Murakami, Yoshinori Ito, Satoshi Nakamura, Akihisa Wakita, Hiroyuki Okamoto, Keisuke Tsuchida, Tairo Kashihara, Rei Umezawa, Kana Takahashi, Hiroshi Igaki, Jun Itami Proceedings of the Annual Meeting of JASTRO 28: 231-231, 2015.

	O-210. Prognostic value of FDG PET imaging in pharyngeal cancer treated with radiotherapy alone or chemoradiotherapy Takeaki Ishihara1, Kitajima Kazuhiro2, Suenaga Yuko3, Ejima Yasuo1, Saito Miki4, Otsuki Naoki4, Nibu Ken-Ichi4, Kiyota Naomi5, Takahasi Satoru3, Sasaki Ryohei1 Proceedings of the Annual Meeting of JASTRO 28: 231-231, 2015.

	O-211. Postoperative radiotherapy for patients with hypopharyngeal cancer. Noriko Kishi1, Yuki Imai1, Naoyuki Kanayama1, Takero Hirata1, Yoshifumi Kawaguchi1, Koji Konishi1, Kinji Nishiyama2, Teruki Teshima1 Proceedings of the Annual Meeting of JASTRO 28: 232-232, 2015.

	O-212. Radiotherapy for Cervical Lymph Node Metastases of Unknown Primary Site Yuko Inoue1, Kenji Yoshida1, Yasuo Ejima1, Daisuke Miyawaki1, Takeaki Ishihara1, Ryo Nishikawa1, Yoshiro Matuo1, Hideki Nishimura2, Naoki Otsuki3, Miki Saito3, Naomi Kiyota4, Kenichi Nibu3, Sasaki Ryohei1 Proceedings of the Annual Meeting of JASTRO 28: 232-232, 2015.

	O-213. Radiation therapy-based multi-disciplinary treatment for supra-glottic cancer patients to preserve the laryngeal function Takashi Toshiyasu, Yasuko Kumai, Masahiro Yoshida, Arisa Harada, Hirofumi Okubo, Daiki Kato, Takao Asari, Keiko Murofushi, Minako Sumi, Takuyo Kozuka, Masahiko Oguchi Proceedings of the Annual Meeting of JASTRO 28: 232-232, 2015.

	O-214. Proton-beam therapy for olfactory neuroblastoma Naoki Nakamura1, Zenda Sadamoto1, Hidehiro Hojo1, Satoko Arahira1, Atsushi Motegi1, Makoto Tahara2, Ryuichi Hayashi3, Masakatsu Onozawa1, Masamichi Toshima1, Yasuhiro Hirano1, Tetsuo Akimoto1 Proceedings of the Annual Meeting of JASTRO 28: 233-233, 2015.

	O-215. Patterns of recurrence after postoperative radiation therapy for patients with head and neck squamous cell carcinoma Naoya Murakami1, Matsumoto Fumihiko2, Yoshimoto Seiichi2, Ito Yoshinori1, Umezawa Rei1, Takahashi Kana1, Inaba Koji1, Igaki Hiroshi1, Itami Jun1 Proceedings of the Annual Meeting of JASTRO 28: 233-233, 2015.

	O-216. Radiotherapy for T1N0M0 glottic carcinoma with a radiation dose of 66Gy in 30 fractions : preliminary results of a single-institution Zhe Chen, Hotaka Nonaka, Mitsuhiko Oguri, Takafumi Komiyama, Kengo Kuriyama, Hiroshi Onishi Proceedings of the Annual Meeting of JASTRO 28: 233-233, 2015.

	O-217. Necessity of postoperative radiation therapy of contralateral neck for lateralized oral squamous cell carcinoma Takaharu Kudoh, Akiko Kubo, Takashi Kawanaka, Shunsuke Furutani, Hitoshi Ikushima Proceedings of the Annual Meeting of JASTRO 28: 234-234, 2015.

	O-218. Outcome of Definitive Radiotherapy for Early Glottic Cancer at Kinki University Hospital Masaki Yokokawa, Kazuki Ishikawa, Masahiro Inada, Kouhei Fukuda, Hitoshi Tatebe, Izumi Tachibana, Kiyoshi Nakamatsu, Hajime Monzen, Syuichi Kanamori, Yasumasa Nishimura Proceedings of the Annual Meeting of JASTRO 28: 234-234, 2015.

	O-219. Toxicity after radiotherapy for head and neck squamous cell carcinoma in human immunodeficiency virus-positive patients Terufumi Kawamoto, Katsuyuki Karasawa, Keiji Nihei, Motoaki Fujii, Yumiko Machidori, Hiroshi Tanaka, Takuya Shimizuguchi, Kei Ito, Sara Ko, Hiroshi Kuramoto Proceedings of the Annual Meeting of JASTRO 28: 234-234, 2015.

	O-220. Clinical outcomes of hypopharyngeal cancer received definitive radiotherapy with or without chemotherapy Takuya Aizawa1, Masakuni Sakaguchi1, Naoya Ishibashi1, Toshiya Maebayashi1, Shoko Fukushima1, Jiro Kawamori2, Tsutomu Saito3, Yoshiaki Tanaka4 Proceedings of the Annual Meeting of JASTRO 28: 235-235, 2015.

	O-221. Brachytherapy using Au-198 grains for oral or oropharyngeal carcinomas in patients with past histories of cancer treatments in those regions Ryoichi Yoshimura1, Masahiko Miura1, Hiroshi Watanabe1, Keiji Hayashi1, Keiko Nakagawa1, Kazuma Toda1, Atsushi Kaida1, Hirofumi Kuwabara1, Hitoshi Shibuya2 Proceedings of the Annual Meeting of JASTRO 28: 235-235, 2015.

	O-222. Comparison of clinical outcome of different radiation strategy in postoperative radiotherapy for patients with head and neck squamous cell carcinoma : a propensity-matched analysis Chiyoko Makita, Takeshi Kodaira, Hiroyuki Tachibana, Natsuo Tomita, Kana Kimura, Maiko Yoshida, Koutaro Koide, Makoto Ito Proceedings of the Annual Meeting of JASTRO 28: 235-235, 2015.

	O-223. Carbon ion radiotherapy for locally advanced parotid gland carcinomas Masashi Koto, Ryo Takagi, Hiroaki Ikawa, Kensuke Naganawa, Tadashi Kamada Proceedings of the Annual Meeting of JASTRO 28: 236-236, 2015.

	O-224. Treatment outcomes of (chemo) radiation against oropharyngeal cancers and the influence of the use of 15-MV X-rays for radiation boost Hisashi Kaizu, Masaharu Hata, Madoka Sugiura, Shouko Takano, Takeo Kasuya, Izumi Koike, Tomio Inoue Proceedings of the Annual Meeting of JASTRO 28: 236-236, 2015.

	O-225. Radiotherapeutic outcomes of locally advanced (stage3-4) laryngeal squamous cell carcinoma after radiotherapy. Atsushi Motegi1, Satoko Arahira1, Zenda Sadamoto1, Ryuichi Hayashi2, Makoto Tahara3, Tetsuo Akimoto1 Proceedings of the Annual Meeting of JASTRO 28: 236-236, 2015.

	O-226. Radiation therapy with or without concurrent chemotherapy for nasopharyngeal carcinoma : the University of Tokyo Hospital experience Wataru Takahashi1, Mizuo Ando1, Masafumi Yoshida1, Saito Yuki1, Go Omura1, Reiko Kobayashi1, Madoka Sakuramachi1, Kentarou Yamamoto1, Hiroshi Igaki2, Hideomi Yamashita1, Keiichi Nakagawa1 Proceedings of the Annual Meeting of JASTRO 28: 237-237, 2015.

	O-227. Treatment outcomes of maxillary carcinoma treated with radiotherapy-combined therapy Kaori Asai1, Tomonari Sasaki1, Saiji Ohga1, Toshihiro Yamaguchi1, Tadamasa Yofhitake1, Matsumoto Keiji1, Wakiyama Hiroaki1, Torahiko Nakashima2, Katsumasa Nakamura3, Yoshiyuki Shioyama4, Hiroshi Honda1 Proceedings of the Annual Meeting of JASTRO 28: 237-237, 2015.

	O-228. Clinical results of Boron Neutron Capture Therapy for Head and Neck melanoma Junichi Hiratsuka1, Nobuhiko Kamitani1, Kei Konishi1, Ryuji Tokiya1, Eisaku Yoden1, Norimasa Morita2, Teruhito Aihara3, Kouji Ono4 Proceedings of the Annual Meeting of JASTRO 28: 237-237, 2015.

	O-229. Preliminary results of intensity modulated radiation therapy with concurrent chemotherapy for locally advanced hypopharyngeal cancer Keiichi Ohnishi, Yuji Murakami, Rika Kohno, Hideo Kawabata, Yuki Takeuchi, Ikuno Nishibuchi, Doi Yoshiko, Okabe Tomoyuki, Masahiro Kenjo, Tomoki Kimura, Yasushi Nagata Proceedings of the Annual Meeting of JASTRO 28: 238-238, 2015.

	O-230. A comparison of localization accuracy with fiducial marker-based setup using ExacTrac X-ray system and soft tissue-based setup using cone-beam computed tomography for prostate IMRT Satoshi Tanabe1, Utsunomiya Satoru2, Abe Eisuke2, Sato Hiraku3, Sakai Hironori4, Yamada Takumi4, Aoyama Hidefumi2 Proceedings of the Annual Meeting of JASTRO 28: 238-238, 2015.

	O-231. The effect of irregular breathing on surrogate-guided registration with 4D CT in respiratory gated radiotherapy for liver cancer Yoshihiro Ueda1, Shingo Ohira1, Iori Sumida2, Mari Tsujii3, Masayoshi Miyazaki1, Osamu Suzki2, Kazuhiko Ogawa2, Teruki Teshima1 Proceedings of the Annual Meeting of JASTRO 28: 238-238, 2015.

	O-232. Interfractional error of tumor displacement between treatment planning CT and daily cone beam CT for image-guided radiotherapy with voluntary breath-hold technique Maho Yamada1, Fumiya Baba1, Shigeru Sasaki2, Junpei Nagayoshi3, Yuta Shibamoto4 Proceedings of the Annual Meeting of JASTRO 28: 239-239, 2015.

	O-233. Reference image reconstructed from 4DCT for Use in Image Guided Radiotherapy (IGRT) that Consider Respiratory Motion Harumitsu Hashimoto1, Hisato Nagano2, Hiroko Yokoyama2, Motoi Watanabe1, Masanori Nakanishi1, Yuuichi Kaneko1, Yukiko Kishida1, Tomoko Ogawa1, Toshiyuki Kawasaki1, Chikayo Ishiduka1, Misao Onodera1 Proceedings of the Annual Meeting of JASTRO 28: 239-239, 2015.

	O-234. Factors influencing PSA relapse-free survival of localized high-risk prostate cancer treated with CT-guided three-dimensional conformal radiotherapy Tatsuyuki Abe, Yukinori Okada, Mio Shinozaki, Hiromichi Gomi Proceedings of the Annual Meeting of JASTRO 28: 239-239, 2015.

	O-235. Radiation Treatment System Guided Breast Conserving Surgery - RTPs part - Satoshi Yamaguchi, Takashi Ueda, Yuusuke Sakurai, Rieko Ishibashi, Takashi Takagi, Hitoshi Araki, Tetsutaro Miyoshi, Yoshio Ooeda Proceedings of the Annual Meeting of JASTRO 28: 240-240, 2015.

	O-236. Dose volume comparison of proton therapy by anterior plus bilateral fields and intensity modulated radiation therapy for high-risk prostate cancer. Sho Oyama, Kato Takahiro, Arai Kazuhiro, Narita Yuki, Ouchi Hisao, Harada Takaomi, Endo Hiromitsu, Abe Yoshitomo, Nakamura Tatsuya, Hareyama Masato, Kikuchi Yasuhiro Proceedings of the Annual Meeting of JASTRO 28: 240-240, 2015.

	O-237. Evaluation of accumulative dose estimation from cone beam CT with deformable image registration in prostate cancer patients treated with IMRT Yoshiki Takayama1, Noriyuki Kadoya1, Kengo Ito1, Mizuki Chiba1, Kousei Fujiwara1, Suguru Dobashi2, Kazuma Kishi3, Kiyokazu Sato3, Ken Takeda2, Keiichi Jingu1 Proceedings of the Annual Meeting of JASTRO 28: 240-240, 2015.

	O-238. Dosimetric evaluation of 3-dimensional conformal radiotherapy with supplemental low segment intensity modulated radiotherapy in lung cancer Keisuke Usui1,2, Satoshi Ishikura1,2, Satoru Sugimoto1,2, Chie Kurokawa1, Keisuke Sasai1 Proceedings of the Annual Meeting of JASTRO 28: 241-241, 2015.

	O-239. Study on institutional specific model to create optimal treatment planning Yumiko Adachi1, Masashi Nozue2, Shoichi Yamamoto2, Ryuichi Yada1, Naoki Hayashi3 Proceedings of the Annual Meeting of JASTRO 28: 241-241, 2015.

	O-240. The Difference of isocenter and peripheral dose in Stereotactic Body RadioTherapy for early lung cancer Takeshi Ito Proceedings of the Annual Meeting of JASTRO 28: 241-241, 2015.

	O-241. Comparison of radiation dose distribution and radiation dose between the TMR10 and convolution algorithms in the GammaPlan Tohru Iida1, Mitsuru Ishiguro1, Kouhei Hasegawa1, Funada Satoru1, Yukihiko Kohda2, Hiroaki Onishi2, Tetsuya Aoki3, Tsuyoshi Takanaka4 Proceedings of the Annual Meeting of JASTRO 28: 242-242, 2015.

	O-242. Preliminary clinical experience with a new radiotherapy treatment planning system RayStation(R) Yoshihiko Manabe, Taro Murai, Mikiko Nakanishi, Koichiro Nakajima, Yasutaka Ogawa, Masayuki Matsuo, Takeshi Yanagi, Yuta Shibamoto Proceedings of the Annual Meeting of JASTRO 28: 242-242, 2015.

	O-243. Usefulness of a metal artifact redaction reconstruction in computed tomography studies used for radiotherapy treatment planning Yasunori Saito1, Yuka Kondo1, Miki Kawamura1, Yujiro Doi1, Masanao Kato1, Masayuki Ito1,2, Yumi Oie3, Fumitaka Ito3, Yutaka Kinomura1, Hidetoshi Kobayashi1, Hiroshi Toyama2 Proceedings of the Annual Meeting of JASTRO 28: 242-242, 2015.

	O-244. Specification of the factor making the dose difference between the dose to medium and the dose to water and investigation of which the dose is fit to the measurement dose Yoshihiro Tanaka, Ekizo Hirakawa, Toshiaki Fuse, Shinichiro Inomata, Takashi Kawahara, Shizuka Takasaka, Hitomi Doya, Naohiro Kodani, Seiichi Furuya Proceedings of the Annual Meeting of JASTRO 28: 243-243, 2015.

	O-245. Image comparison between 4-dimensional computed tomography (4DCT) and 320 multi-detector CT (32O-MDCT) in lung tumors Yusuke Iizuka1, Matsuo Yukinori1, Mitsuhiro Nakamura1, Satoshi Kozawa2, Toru Takakura3, Takashi Mizowaki1, Masahiro Hiraoka1 Proceedings of the Annual Meeting of JASTRO 28: 243-243, 2015.

	O-246. The influence of grid size on dose distribution for TomoTherapy Motohiro Kawashima1, Hidemasa Kawamura2, Onishi Masahiro2, Takakusagi Yosuke3, Okonogi Noriyuki2, Okazaki Atsushi3, Sekihara Tetsuo3, Ando Yoshitaka3, Nakano Takashi2 Proceedings of the Annual Meeting of JASTRO 28: 243-243, 2015.

	O-247. Dental extraction prior to carbon ion radiotherapy for head and neck cancer Hiroaki Ikawa, Koto Masashi, Takagi Ryo, Hasegawa Azusa, Naganawa Kensuke, Tsuji Hiroshi, Kamada Tadashi Proceedings of the Annual Meeting of JASTRO 28: 244-244, 2015.

	O-248. Effects of Kampo medicines 'goreisan and hangesyashinto' for acute radiation enteritis Hiroto Yoshioka, Taiju Shimbo, Nobuhiko Yoshikawa, Ken Yoshida, Yasuo Uesugi, Yoshikazu Tanaka, Yoshimitsu Hamada, Tsuyoshi Komori, Yoshifumi Narumi Proceedings of the Annual Meeting of JASTRO 28: 244-244, 2015.

	O-249. Second nationwide questionnaire survey to hyperbaric oxygen (HBO) therapy for delayed radiation injuries ; comparison to the first survey in 2011 Yasue Niwa1,2, Toshinori Soejima3, Kazushi Kishi4, Hiroshi Onishi5, Kazuyoshi Yagishita6 Proceedings of the Annual Meeting of JASTRO 28: 244-244, 2015.

	O-250. Association between subacute hematologic toxicity and bone marrow dosimetric parameters in patients with high risk prostate cancer treated with whole pelvic intensity-modulated radiotherapy Haruo Inokuchi, Takashi Mizowaki, Yoshiki Norihisa, Itaru Ikeda, Kiyonao Nakamura, Masahiro Hiraoka Proceedings of the Annual Meeting of JASTRO 28: 245-245, 2015.

	O-251. Availability of oxidative stress-related markers to estimate physical effects in the patients with thyroid cancer undergoing radioactive iodine treatment Yasushi Mariya1, Chika Kawamura1, Satoru Monzen1, Ayumi Nakamura1, Yoshihiro Takai2, Ayako Saito3, Toko Yonezawa3, Siamak Haghdoost4 Proceedings of the Annual Meeting of JASTRO 28: 245-245, 2015.

	O-252. Spatial correspondence between radiation pneumonitis and irradiated dose distribution after stereotactic radiotherapy for lung cancer. Kazuma Kobayashi, Naoya Murakami, Satoshi Nakamura, Akihisa Wakita, Hiroyuki Okamoto, Rei Umezawa, Kana Takahashi, Koji Inaba, Hiroshi Igaki, Yoshinori Ito, Jun Itami Proceedings of the Annual Meeting of JASTRO 28: 245-245, 2015.

	O-253. Effectiveness and safety of radiotherapy for patients with postoperative lymph node recurrence of gastric cancer Noriko Kishi1, Katsuyuki Sakanaka2, Yuichi Ishida2, Takashi Mizowaki2, Masahiro Hiraoka2 Proceedings of the Annual Meeting of JASTRO 28: 246-246, 2015.

	O-254. Initial experience of carbon-ion radiotherapy using hypofractionated regimen for postoperative pelvic recurrence of colorectal cancer Naoko Okano1, Hiroki Kiyohara1, Masahiko Okamoto1, Ken Ando2, Jun-Ichi Saitoh1, Ohno Tatsuya1, Takashi Nakano1 Proceedings of the Annual Meeting of JASTRO 28: 246-246, 2015.

	O-255. Clinical outcome of locally advanced rectal cancer treated with preoperative chemoradiotherapy Keiko Murofushi, Arisa Harada, Hirofumi Ohkubo, Yasuko Kumai, Takao Asari, Takashi Toshiyasu, Daiki Kato, Minako Sumi, Takuyo Kozuka, Masahiko Oguchi Proceedings of the Annual Meeting of JASTRO 28: 246-246, 2015.

O-256. Diffusion-weighted magnetic resonance imaging in prediction of tumor response to neoadjuvant chemoradiotherapy using irinotecan plus S-1 for rectal cancer
Hiroshi Doi1, Naohito Beppu2, Takashi Kato1, Masao Tanooka3, Kazuhiro Kitajima1, Hitomi Suzuki1, Kazuo Tarutani1, Kengo Kosaka1, Naohiro Tomita2, Norihiko Kamikonya1, Shozo Hirota1
Proceedings of the Annual Meeting of JASTRO 28: 247-247, 2015.

	O-257. A Questionnaire Survey on Palliative Radiotherapy for Bleeding in Hypothetical Cases of Gastrointestinal and Genitourinary Tumors : JROSG Survey Takashi Kosugi1, Naoto Shikama2, Tetsuo Saito3, Naoki Nakamura4, Ayako Nakura1, Hideyuki Harada5, Hitoshi Wada6, Miwako Nozaki7, Nobue Uchida8 Proceedings of the Annual Meeting of JASTRO 28: 247-247, 2015.

	O-258. Radiation therapy for skull bone metastases Hiroki Kawaguchi, Toshinori Soejima, Yoko Matsumoto, Yosuke Ota, Kayoko Tsujino Proceedings of the Annual Meeting of JASTRO 28: 247-247, 2015.

	O-259. Chemoradiation using Tomotherapy for patients with angiosarcoma of the scalp Yukiko Shibata1, Kageyama Shyunichirou1, Kito Satoshi1, Shimizuguchi Takuya1, Ito Kei1, Tanaka Hiroshi1, Machitori Yumiko1, Fujii Motoaki1, Nihei Keiji1, Yoshino Kouji2, Karasawa Katsuyuki1 Proceedings of the Annual Meeting of JASTRO 28: 248-248, 2015.

	O-260. Current practice patterns of radiotherapy for spine metastases in Japan Yoshinori Ito1, Naoto Shikama2, Naoki Nakamura3, Tetsuo Akimoto3 Proceedings of the Annual Meeting of JASTRO 28: 248-248, 2015.

	O-261. A Case Report of Hypofractionated Radiation Therapy with Nivolumab and Vemurafenib for Malignant Melanoma Genki Kimino, Yasuhiro Kosaka, Kazuhito Ueki, Toshiyuki Imagumbai, Kenji Takayama, Masaki Kokubo, Tooru Nagano Proceedings of the Annual Meeting of JASTRO 28: 248-248, 2015.

	O-262. Comparison of prognostic value of parameters derived from white blood cell count and differential in patients receiving palliative radiotherapy Tetsuo Saito, Takamasa Toyofuku, Akiko Semba, Tomohiko Matsuyama, Keiya Matsuyama, Natsuo Oya Proceedings of the Annual Meeting of JASTRO 28: 249-249, 2015.

	O-263. Preparatory step to pain control in intracavitary irradiation for the patients with uterine cervical cancer Kaoru Sugioka1, Seiji Tachiiri2, Sayuri Nishiki1, Akira Miyai3, Kazunori Tanaka3, Tomohiro Kosuga3, Keiko Ishifune1, Shuji Otsu2 Proceedings of the Annual Meeting of JASTRO 28: 249-249, 2015.

	O-264. Coordinated efforts for patients with a cardiac pacemaker at a proton treatment institution Yoko Matsunaga, Michiko Kawabata, Takeshi Arimura, Ikuko Chuman, Naoaki Kondo, Takashi Ogino, Yoshio Hishikawa Proceedings of the Annual Meeting of JASTRO 28: 249-249, 2015.

	O-265. Change in pain intensity, functional interference, and analgesic consumption after palliative radiotherapy Yumi Kusano1, Tetsue Saito1, Tomohiko Matsuyama1, Keiya Matsuyama1, Natsuo Oya1, Ryo Toya1, Takamasa Toyofuku1, Akiko Semba1, Etsushi Tomitaka2, Yurika Ota1 Proceedings of the Annual Meeting of JASTRO 28: 250-250, 2015.

	O-266. The follow-up results on post-treatment pain in patients with lung or liver cancer in proton beam therapy Michiko Kawabata, Ikuko Chuman, Takeshi Arimura, Kondo Naoaki, Wada Kiyotaka, Yokote Yasuki, Nakata Tomohiro, Ogino Takashi, Hishikawa Yoshio Proceedings of the Annual Meeting of JASTRO 28: 250-250, 2015.

	O-267. Evaluation of nursing care for stereotactic brain radiosurgery using clinical pathways in our hospital - Pain assessment with head immobilization system - Nanae Nishino, Kazunari Yamada, Emi Kiyohara, Yoshihiro Tonosaki, Kenta Isogai, Kengo Sugimoto Proceedings of the Annual Meeting of JASTRO 28: 250-250, 2015.

	O-268. Questionnaire survey about the satisfaction of the patients who were treated by two different linacs in series according to their treatment schedules Chikayo Ishizuka, Hisato Nagano, Hiroko Yokoyama, Masako Yaginuma, Fumiko Katou, Chiaki Kimura, Midori Mizuno, Misao Onodera Proceedings of the Annual Meeting of JASTRO 28: 251-251, 2015.

	O-269. The utility of a care map for head and neck radiation dermatitis Mika Kadowaki1, Yumiko Yokota1, Emi Kanno2 Proceedings of the Annual Meeting of JASTRO 28: 251-251, 2015.

	O-270. Evaluation of body-weight variation during treatment of induction chemotherapy followed by chemoradiotherapy for locally advanced head and neck cancer Emiko Yamagiwa1, Daisuke Kawahara2, Yuji Murakami3, Yasushi Nagata3, Haruhi Kamo1 Proceedings of the Annual Meeting of JASTRO 28: 251-251, 2015.

	O-271. A team approach to the care of patients according to their risk in proton beam therapy Kyoko Matsukawa, Ikuko Chuman, Takeshi Arimura, Michiko Kawabata, Kiyotaka Wada, Takashi Ogino, Yoshio Hishikawa Proceedings of the Annual Meeting of JASTRO 28: 252-252, 2015.

	O-272. Role of nurses in coordinating heavy ion radiotherapy for patients and families arriving from other countries Tomomi Hashimoto, Yoko Kitada, Naoko Taniyama, Tatsuya Ohno, Takashi Nakano, Hiroko Imai Proceedings of the Annual Meeting of JASTRO 28: 252-252, 2015.

	O-273. Automated framework for estimation of lung tumor locations in MV-CBCT images for target-based patient positioning in stereotactic body radiotherapy Satoshi Yoshidome1, Hidetaka Arimura2, Katsumasa Nakamura3, Yoshiyuki Shioyama4, Kazushige Atsumi5, Hideki Yoshikawa6, Kei Nishikawa1, Hideki Hirata2 Proceedings of the Annual Meeting of JASTRO 28: 252-252, 2015.

	O-274. intrafractional movement during frameless stereotactic radiosurgery and radiotherapy Kazuma Toda1,2, Ryouichi Yoshimura1, Rikiya Satou2, Akihiko Hoshi2, Satoshi Yasuhiro2 Proceedings of the Annual Meeting of JASTRO 28: 253-253, 2015.

	O-275. A new approach for patient dose reduction using various noise suppression filters in CBCT-based patient positioning systems Hidemi Kamezawa1,2, Hidetaka Arimura3, Katsutoshi Shirieda4, Noboru Kameda5, Masafumi Ohki3 Proceedings of the Annual Meeting of JASTRO 28: 253-253, 2015.

	O-276. A new device which reduce respiratory movement compressing the abdominal wall in various oblique angles. Motoi Watanabe1, Hisato Nagano1, Hiroko Yokoyama1, Harumitsu Hashimoto1, Tomoko Ogawa1, Kouta Ito1, Tsuyoshi Iwata1, Yuji Furuhata1, Hirofumi Suzuki1, Keitaro Takeda2, Moriaki Sakamaki2 Proceedings of the Annual Meeting of JASTRO 28: 253-253, 2015.

	O-277. Influence of immobilization devices on setup reproducibility in image-guided radiation therapy for prostate cancer Shoki Inui, Ueda Yoshihiro, Ohira Shingo, Isono Masaru, Miyazaki Masayoshi, Teshima Teruki Proceedings of the Annual Meeting of JASTRO 28: 254-254, 2015.

	O-278. Comparison of residual setup error in two head supports used inside the same available immobilization systems for treatment of head and neck IMRT Hiromitsu Endo, Yuki Ota, Hisao Ouchi, Shunsuke Komatsu, Masato Kato, Shinya Komori, Yoshitomo Abe, Sho Oyama, Tomoaki Motoyanagi, Tetsuya Kurahayashi, Takahiro Kato Proceedings of the Annual Meeting of JASTRO 28: 254-254, 2015.

	O-279. Initial experience of automated treatment plan checks using a commercial application programming interface Akihisa Wakita, Hiroyuki Okamoto, Satoshi Nakamura, Tooru Kato, Yoshihisa Abe, Jun Itami Proceedings of the Annual Meeting of JASTRO 28: 254-254, 2015.

	O-280. Evaluation of incident reports in radiotherapy : comparison between conventional linac and Tomotherapy system Hiromichi Ishiyama1, Nobuaki Shuto2, Tsuyoshi Terezaki2, Shigetoshi Noda2, Katsunori Yogo3, Kazushige Hayakawa1 Proceedings of the Annual Meeting of JASTRO 28: 255-255, 2015.

	O-281. Newly developed software employing ray tracing method for independent verification of the monitor unit obtained by radiotherapy planning system Yuushi Nakanowatari1, Masanori Miyazawa2, Tetsuzou Nara3, Masahumi Takagi3, Yasushi Mariya1 Proceedings of the Annual Meeting of JASTRO 28: 255-255, 2015.

	O-282. Precise intensity profile measurement of on-board-imaging system using the Scintillator with Optical Fiber dosimeter for evaluating patient dose exposure Makoto Takigami1, Hideki Kojima1, Tomohiro Asano1, Ryosuke Kurosawa1, Fumiya Mizuno1, Daisuke Tanii3, Masayori Isikawa2 Proceedings of the Annual Meeting of JASTRO 28: 255-255, 2015.

	O-283. Verification of independent MU calculation with standard beam data and water-equvalent depth calculation based on standard CT density table Shuichi Ozawa1,2,3, Shintaro Tsuda1, Takeo Nakashima2, Akito Saito2, Yoshinori Seno3, Yoshimi Ohno2, Teiji Nishio2, Yasushi Nagata1,2 Proceedings of the Annual Meeting of JASTRO 28: 256-256, 2015.

	O-284. Assessment of basic performances of aSi-EPID Kazuo Tarutani1,2, Kazutoshi Yabuta1, Hiroki Fujimoto1, Kengo Kosaka2,4, Masao Tanooka3, Hiroyuki Inoue3, Kazuhiko Hayashi1,3, Norihiko Kamikonya3, Kazufumi Kagawa1 Proceedings of the Annual Meeting of JASTRO 28: 256-256, 2015.

O-285. Efficacy of stereotactic radiotherapy for brain metastases using dynamic jaws technology in the helical tomotherapy system : planning and clinical studies
Taro Murai1, Akihiro Hayashi2, Yoshimasa Mori3, Yoshihiko Manabe1, Yasutaka Ogawa1, Takuhito Kondo1, Masayuki Matsuo1, Daiki Takaoka1, Takeshi Yanagi1, Chikao Sugie1, Yuta Shibamoto1
Proceedings of the Annual Meeting of JASTRO 28: 256-256, 2015.

	O-286. Development of IHE-RO white paper for exporting data of Japanese Radiation Oncology Database Yutaka Ando1,2, Masayoshi Seki2, Hodaka Numazaki2,3, Hiroyuki Kosaka2,4, Nobuhiro Tsukamoto2,5, Osamu Kawaguchi2,6, Masami Mukai1,2, Masaharu Kimura2, Tetsuro Tamamoto2,7 Proceedings of the Annual Meeting of JASTRO 28: 257-257, 2015.

	O-287. Development of database system for patient specific QA of intensity modulated radiation therapy Ryuta Nakahara, Ryu Kawamorita, Wataru Okada, Shun Kishimoto, Kazuki Kubo, Kotoko Imai, Kentaro Ishii, Ryo Ogino, Toshifumi Nakajima Proceedings of the Annual Meeting of JASTRO 28: 257-257, 2015.

	O-288. DICOM RT 2nd Generation - New object "RT-Course" - Masayoshi Seki1,2, Yutaka Ando3, Hodaka Numasaki4, Nobuhiro Tsukamoto5, Osamu Kawaguchi6, Tetsuo Tamamoto7, Akihiro Yomoda1 Proceedings of the Annual Meeting of JASTRO 28: 257-257, 2015.

	O-289. Practical improvement of interoperability by using Archive : DICOM-RT server, proposed by IHE-RO Nobuhiro Tsukamoto1, Satoshi Takamatsu1, Akiko Kato1, Jun Shibori1, Yasue Nagashima1, Masayosi Seki2, Osamu Kawaguchi2, Hodaka Numasaki2, Tetsuro Tamamoto2, Yutaka Ando2, Masami Mukai2 Proceedings of the Annual Meeting of JASTRO 28: 258-258, 2015.

	O-290. Concurrent strontium-89 and external beam radiotherapy in the management of painful multiple bone metastases : a preliminary experience. Shinichi Ogawa, Masahide Hayashi, Shinji Furukawa, Naoya Yamamoto, Takahiko Yajima, Chika Mouri, Ryo Tanokura, Tomohiro Hiasa Proceedings of the Annual Meeting of JASTRO 28: 258-258, 2015.

	O-291. Remote support system of radiation treatment planning and treatment Kyou Yamashita1, Shuusaku Yoshida2, Wataru Sugimoto2, Yuuji Hayashi2, Masami Kusunoki2, Yukiko Kuniyasu2, Kazuyo Okazaki2, Takafumi Mori1, Katsuhisa Kida1, Atsushi Itami1,2, Tomoki Kobayashi1, Masaaki Ueno1, Morishita Sachie1 Proceedings of the Annual Meeting of JASTRO 28: 258-258, 2015.

	O-292. The effectiveness of hemostatic radiotherapy with conventional fraction in patients with advanced cancer Satoshi Nomoto1,2, Tomoharu Akai1, Haruo Kuwano2, Yasuo Kuwabara1, Kengo Yoshimitsu1 Proceedings of the Annual Meeting of JASTRO 28: 259-259, 2015.

	O-293. The career paths of participants of the radiation oncology seminar for medical students and residents. Tomoko Itazawa1, Yukihisa Tamaki2, Tomoyuki Okabe3 Proceedings of the Annual Meeting of JASTRO 28: 259-259, 2015.

	O-294. Usefulness and future of Biwako Medical infomation Network - Perspectives from a Radiation Oncologist - Masato Fushiki1, Momoko Irie1, Junya Sugiyama1, Toshimi Yasunaga1, Yuriko Kanbe1, Takashi Kusui2, Takemhisa Takagi2, Tsuyako Yoshizawa1, Satoru Nagata3 Proceedings of the Annual Meeting of JASTRO 28: 259-259, 2015.

	P-001. Dosimetric comparison of hypofractionated stereotactic radiotherapy for benign skull base tumors involving optic pathways by three modalities : Gamma Knife, Novalis, and TomoTherapy Yoshimasa Mori1, Hisato Nakazawa2, Chisa Hashizume2, Takahiko Tsugawa2, Taro Murai3 Proceedings of the Annual Meeting of JASTRO 28: 262-262, 2015.

	P-002. HybridArc for cranial tumor and prostatic cancer with Novalis Radiosurgery Tetsuro Tamamoto1, Isao Asakawa1, Toshitaka Ikeguchi2, Tadashi Yoshimine1,2, Ryosuke Matsuda3, Nobumichi Tanaka4, Kazuhiro Kawano5, Hiroyuki Nakamura5, Rina Hirohashi5, Masatoshi Hasegawa1 Proceedings of the Annual Meeting of JASTRO 28: 262-262, 2015.

	P-003. Investigation of the relationship between collimator angles and hot spots in treatment planning of volumetric modulated arc therapy Yasuo Shiota1, Koji Sasaki2, Masatoshi Miura1, Kazuyasu Inoue3, Tomo Kojima3, Tomoyuki Hosoda3, Yuki Takeuchi3, Michiko Imai4 Proceedings of the Annual Meeting of JASTRO 28: 262-262, 2015.

	P-004. Cyberknife hypofractionated intensity modulated radiotherapy for isolated supraclavicular and mediastinal lymph node metastasis Hiroshi Mayahara1, Hideki Nishimura1, Aya Harada1, Haruka Uezono1, Yoshiki Nakamura1, Yasuo Ejima1,2, Matuso Yoshiro1,2, Yasuo Nakayama1, Hirokazu Sasaki1, Ryohei Sasaki2, Masahiko Fujii1 Proceedings of the Annual Meeting of JASTRO 28: 263-263, 2015.

	P-005. Clinical application of Monaco VMAT SRT for multiple brain metastases Atsuro Terahara, Kaori Yajima, Yuzuru Niibe, Yuri Shimizu Proceedings of the Annual Meeting of JASTRO 28: 263-263, 2015.

	P-006. Single-group dynamic conformal arc stereotactic radiosurgery for multiple brain metastasis Yoshimasa Mori Proceedings of the Annual Meeting of JASTRO 28: 263-263, 2015.

	P-007. Clinical Outcomes of Volumetric Modulated Arc Therapy for Multiple Brain Metastases Shunsuke Furutani, Akiko Kubo, Takashi Kawanaka, Takaharu Kudoh, Hitoshi Ikushima Proceedings of the Annual Meeting of JASTRO 28: 264-264, 2015.

	P-008. Whole scalp irradiation with Helical Tomotherapy for angiosarcoma. Akane Sekiguchi1, Hiromichi Ishiyama1, Mamiko Masuzawa2, Shouko Komori1, Itaru Soda1, Kouji Takenaka1, Marika Nozawa1, Yasuyuki Amou2, Kazushige Hayakawa1 Proceedings of the Annual Meeting of JASTRO 28: 264-264, 2015.

	P-009. Multisession Cyberknife radiosurgery for cranial non-vestibular schwannomas Shinichiro Miyazaki Proceedings of the Annual Meeting of JASTRO 28: 264-264, 2015.

	P-010. Positioning accuracy of imaging and radiation center displacements of a linear accelerator caused by using a stereotactic circular collimator Masaru Inoue1,2, Takeshi Hikage1, Yasuhiko Kodama1, Keisuke Usui1,3, Yuki Nogami1, Yukio Oizumi1, Hiroki Ohtani2 Proceedings of the Annual Meeting of JASTRO 28: 265-265, 2015.

P-011. An international multi-institutional planning study reducing inter-institutional variations for spine stereotactic body radiotherapy (SBRT)
Hiroshi Tanaka1, Furuya Tomohisa1, Kumazaki Yu2, Nakayama Masao3, Mark Ruschin4, Lijun Ma5, Jun Hao Phua6, Isabelle Thibault7, Jason St-Hilaire7, Dilini Pinnaduwage5, Shikama Naoto2, Arjun Sahgal4, Karasawa Katsuyuki1
Proceedings of the Annual Meeting of JASTRO 28: 265-265, 2015.

	P-012. Initial clinical experience of linac-based SRT using Novalis Tx for brain metastases Masahiro Onishi1, Yoshihiro Saito1, Yuu Okubo1, Hiroki Ushijima1, Tomoko Kazumoto1, Nobuaki Hayase2, Kiyoshi Kazumoto2 Proceedings of the Annual Meeting of JASTRO 28: 265-265, 2015.

	P-013. Initial experience of frameless image-guided stereotactic radiosurgery/radiotherapy by using Novalis Tx for brain tumors Rikiya Sato1, Kazuma Toda2, Satoshi Yasuhiro1, Akihiko Hoshi1 Proceedings of the Annual Meeting of JASTRO 28: 266-266, 2015.

	P-014. Initial experience of stereotactic radiotherapy for peripheral early lung cancer in our hospital Toshiki Kawamura1, Yoshimasa Mori1, Isobe Ikue1, Ito Makoto1, Mori Toshie1, Takeuchi Arisa1, Ohshima Yukihiko1, Ishiguchi Tsuneo1, Matsubara Ayako2, Takahashi Ayumu2, Yamaguchi Etsurou2 Proceedings of the Annual Meeting of JASTRO 28: 266-266, 2015.

	P-015. Challenges in Misugikai Sato Hospital 1. Evening Treatment, 2. Radiotherapeutic Tours for Patients and their Families Kazumitu Ueda, Takayuki Nakagoshi, Shigeaki Nakahama, Hitoshi Kitatani, Masayuki Nakagoshi Proceedings of the Annual Meeting of JASTRO 28: 266-266, 2015.

	P-016. Usefulness of the network conference between a hospital and a private radiotherapy clinic Miki Iwane1, Iku Nishiguchi1,2, Yoshishige Okuno1,4, Saeko Kawaguchi3, Tetuo Nishiura3, Teturou Nishimoto3, Tishihiko Inoue1, Kouji Ikenaga1 Proceedings of the Annual Meeting of JASTRO 28: 267-267, 2015.

	P-017. Informed consent for whole-brain irradiation : focusing on a decrease in cognitive function Shinichiro Toyoshima1, Tomoyoshi Imamura1, Taizen Masutani2, Minoru Nomura2, Isato Hara2, Katsuyoshi Sakai2, Satoru Okada2, Masayusu Kitagawa2, Mika Nunomura3 Proceedings of the Annual Meeting of JASTRO 28: 267-267, 2015.

	P-018. Evaluation about quality of life and psychophysiological effect in patients treated with radiotherapy for cancer recurrence or metastasis Shuichi Ueno1, Takafumi Yamano1, Keiicihou Nishimura1, Mikito Hondo2, Osamu Murata3, Shougo Hatanaka1, Kazuyo Yoshida4, Hisato Osada5, Munefumi Shinbo1, Norinari Honda5, Takeo Takahashi1 Proceedings of the Annual Meeting of JASTRO 28: 267-267, 2015.

	P-019. Questionnaire result of medical student in the University of Tokyo : preferred branch of medicine and interest for oncology. Akihiro Nomoto, Wararu Takahashi, Hideomi Yamashita, Keiichi Nakagawa Proceedings of the Annual Meeting of JASTRO 28: 268-268, 2015.

	P-020. Multidisciplinary approach to metastatic spinal tumor Eisaku Yoden, Kamitani Nobuhiko, Konishi Kei, Tokiya Ryoji, Hiratsuka Junichi Proceedings of the Annual Meeting of JASTRO 28: 268-268, 2015.

	P-021. Dose-Escalated Stereotactic Body Radiation Therapy for cT2N0M0 Peripheral Non-Small Cell Lung Cancer : Initial Experience Mitsuhiko Oguri, Hiroshi Onishi, Kengo Kuriyama, Takafumi Komiyama, Hotaka Nonaka, Zhe Chen, Kazunari Ashizawa, Naoki Sano Proceedings of the Annual Meeting of JASTRO 28: 268-268, 2015.

	P-022. Study of interstitial lung disease and acute exacerbation in patients receiving radiation therapy for lung cancer in our hospital Yasuhito Hagiwara, Yuko Nakayama, Tetsuo Nonaka, Nobutaka Mizuguchi, Shogo Kawakami, Toyokazu Hayakawa Proceedings of the Annual Meeting of JASTRO 28: 269-269, 2015.

	P-023. Outcome and failure patterns of limited-disease small-cell lung cancer treated with involved field radiotherapy Shigehiko Kuribayashi1, Yoshitaka Sato2, Tsuguhiro Miyashita1 Proceedings of the Annual Meeting of JASTRO 28: 269-269, 2015.

	P-024. New protocol for a phase 1 study on boron neutron capture therapy (BNCT) for malignant pleural mesothelioma Minoru Suzuki, Yoshinori Sakurai, Koli Ono, Yosuke Nakagawa, Masaru Narabayasi, Natsuko Kondo, Yuko Kinashi, Shiniciro Masunaga, Hiroki Tanaka, Takushi Takata, Akira Maruhashi Proceedings of the Annual Meeting of JASTRO 28: 269-269, 2015.

	P-025. Results of salvage radiotherapy for loco-regional recurrence of elderly non-small-cell lung cancer after resection Kazuya Inoue, Isao Asakawa, Yoko Shibamoto, Emiko Shimoda, Nobuhide Wakai, Masahiro Morimoto, Tetsuro Tamamoto, Shigeto Hontsu, Takashi Tojo, Masatoshi Hasegawa Proceedings of the Annual Meeting of JASTRO 28: 270-270, 2015.

	P-026. The outcome of chemoradiotherapy in patients with limited-disease small-cell lung cancer Shogo Kawakami1, Yuuko Nakayama1, Tetsuo Nonaka1,2, Nobutaka Mizoguchi1, Yasuhito Hagiwara1, Toyokazu Hayakawa1, Hiroyuki Itou1, Tomoyuki Yokose1, Kouzou Yamada1 Proceedings of the Annual Meeting of JASTRO 28: 270-270, 2015.

	P-027. Radiation pneumonitis after stereotactic radiation therapy for lung tumor Takeshi Imaizumi1, Mitsutoshi Oishi1, Sunao Tokumaru1, Hiroyuki Irie1, Shingo Toyama2, Kouichi Hirakawa3 Proceedings of the Annual Meeting of JASTRO 28: 270-270, 2015.

	P-028. Detection Method of Internal Small-Tumer by using CT Image Processing Yiqin Zheng, Yasushi Niitsu Proceedings of the Annual Meeting of JASTRO 28: 271-271, 2015.

	P-029. Difference in Prognostic Significance of Early Tumor Regression among Histological Subtypes in Stage III Non-Small-Cell Lung Cancer Patients Underwent Definitive Radiotherapy Hiromitsu Kanzaki, Masaaki Kataoka, Noriko Nishijima, Kei Nagasaki, Kotaro Uwatsu, Atsushi Nishikawa Proceedings of the Annual Meeting of JASTRO 28: 271-271, 2015.

	P-030. Risk of intrapulmonary recurrence after CT-guided needle biopsy in stage I lung cancer patients treated with stereotactic body radiation therapy. Yoshiyasu Maehata1, Kengo Kuriyama2, Takafumi Komiyama2, Mitsuhiko Oguri2, Hotaka Nonaka2, Hiroshi Onishi2 Proceedings of the Annual Meeting of JASTRO 28: 271-271, 2015.

	P-031. The efficacy and toxicity of preoperative radiotherapy for localized rectum cancer Yuka Ishii, Yaichiro Hashimoto, Sawa Kono, Sachiko Izumi, Katsuya Maebayashi, Kumiko Karasawa Proceedings of the Annual Meeting of JASTRO 28: 272-272, 2015.

	P-032. Initial treatment experience of neoadjuvant chemoradiotherapy for locally advanced lower rectal cancer Keiichiro Nishimura1, Takeo Takahashi1, Takafumi Yamano1, Shuichi Ueno1, Mikito Hondo2, Osamu Murata3, Shogo Hatanaka1, Shimbo Munefumi1, Keiichiro Ishibashi4, Hisato Osada5, Hideyuki Ishida4 Proceedings of the Annual Meeting of JASTRO 28: 272-272, 2015.

	P-033. Radiotherapy for locally recurrent rectal cancer Hidekazu Tanaka1, Yuichi Kajiura1, Masaya Kawaguchi1, Takahiro Yamaguchi1, Sunaho Okada1, Masashi Kitahara2, Katsuya Matsuyama2, Shinya Hayashi3, Masayuki Kanematsu1 Proceedings of the Annual Meeting of JASTRO 28: 272-272, 2015.

	P-034. The efficacy and toxicity of radiotherapy for locally adcanced pancreatic cancer Yaichiro Hashimoto, Yuka Ishii, Sawa Kono, Sachiko Izumi, Katsuya Maebayashi, Kumiko Karasawa Proceedings of the Annual Meeting of JASTRO 28: 273-273, 2015.

	P-035. Intraoperative radiotherapy versus postoperative radiotherapy for non-metastatic pancreatic cancer Takeshi Yanagi1, Takama Natsuko2, Kato Eriko2, Nakajima Koichiro1, Nakanishi Mikiko1, Ogawa Yasutaka1, Manabe Yoshihiko1, Murai Taro1, Sugie Chikao1, Matsuo Masayuki1, Shibamoto Yuta1 Proceedings of the Annual Meeting of JASTRO 28: 273-273, 2015.

	P-036. Initial experience with volumetric-modulated arc therapy for hepatocellular carcinoma Ryo Ogino1, Kentaro Ishii1, Akira Yamamoto2, Kazuki Kubo1, Shun Kishimoto1, Ryuta Nakahara1, Wataru Okada1, Ryu Kawamorita1, Toshifumi Nakajima1 Proceedings of the Annual Meeting of JASTRO 28: 273-273, 2015.

	P-037. Evaluation of PSA-failure cases after IMRT for prostate cancer Yasutaka Ogawa1, Shibamoto Yuta1, Manabe Yoshihiko1, Takemoto Shinya2, Yanagi Tsuyoshi1, Matsuo Masayuki1, Nagai Aiko3, Ayakawa Shiho4 Proceedings of the Annual Meeting of JASTRO 28: 274-274, 2015.

	P-038. Change of apparent diffusion coefficient (ADC) values of magnetic resonance imaging (MRI) in prostate cancer after radiotherapy Koh Tsuji1, Miwa Kawaguchi2, Tahakiro Chiba2, Hirohiko Tanihata3, Shinpei Anami1 Proceedings of the Annual Meeting of JASTRO 28: 274-274, 2015.

	P-039. Effectiveness of Gosha-jinki-gan (GTG) to prostate cancer with outside beam radiation causing acute urinary tract disorder Nobuko Utsumi1, Hiromasa Kurosaki1, Hiroki Kitoh2, Homare Shiomi2, Kanako Matsuzaki2, Takao Natsuyama2, Sangji Kim2, Koitiro Akakura2 Proceedings of the Annual Meeting of JASTRO 28: 274-274, 2015.

	P-040. Prostate-specific antigen levels after Carbon ion therapy alone for prostate cancer Masahiro Kawahara1, Hidemasa Kawamura1, Hiroyuki Katoh1, Nobuteru Kubo1, Tatsuji Mizukami1, Hiro Sato1, Hiroshi Matsui2, Kazuto Ito2, Kazuhiro Suzuki2, Tatsuya Ohno1, Takashi Nakano1 Proceedings of the Annual Meeting of JASTRO 28: 275-275, 2015.

	P-041. Changes in Sexual Function and Serum Testosterone Level after Proton Therapy in Patients with Low-or Intermediate-risk Prostate Cancer Yukiko Hattori1, Shingo Hashimoto1,2, Hiromitsu Iwata1, Hiroyuki Ogino1, Maho Yamada3, Fumiya Baba3, Yuta Shibamoto2, Jun-Etsu Mizoe1,2 Proceedings of the Annual Meeting of JASTRO 28: 275-275, 2015.

	P-042. Acute toxicity after hypofractionated intensity modulated radiotherapy for localized prostate cancer Hotaka Nonaka, Hirosi Onishi, Kengo Kuriyama, Takafumi Komiyama, Mitsuhiko Oguri, Zhe Chen Proceedings of the Annual Meeting of JASTRO 28: 275-275, 2015.

	P-043. Clinical results of high-dose-rate Brachytherapy combined with external beam radiation therapy for high-risk prostate cancer Nobuhiko Kamitani, Kei Konishi, Ryouji Tokiya, Eisaku Yoden, Junichi Hiratsuka Proceedings of the Annual Meeting of JASTRO 28: 276-276, 2015.

	P-044. Salvage low-dose-rate brachytherapy for prostate cancer local recurrence after external beam radiotherapy : our first two patients. Naoaki Kono1, Takuya Tsugawa1, Ken Aoki1, Yoshihide Tanoue1, Kiyoshi Murata1, Keisei Okamoto2, Naoki Harada3, Yoshidai Yamada3, Yuya Yanagi3, Kazuo Noma3, Keiji Hashimoto3 Proceedings of the Annual Meeting of JASTRO 28: 276-276, 2015.

	P-045. Clinical outcome of postoperative salvage radiotherapy for PSA recurrent prostate cancer. Kazufusa Shoji, Daisuke Kon, Masako Karikomi, Hidekazu Masaki Proceedings of the Annual Meeting of JASTRO 28: 276-276, 2015.

	P-046. Long-term outcome of intensity-modulated radiotherapy for prostate cancer. Makoto Saito, Ryohei Miyasaka, Toru Kawachi, Tetsurou Katayose, Ryusuke Hara Proceedings of the Annual Meeting of JASTRO 28: 277-277, 2015.

	P-047. The incidence of radiation toxicity in salvage radiation therapy for the recurrent prostate cancer after surgery Hitomi Suzuki, Yasue Niwa, Yasuhiro Takada, Masayuki Fujiwara, Hiroshi Doi, Souichi Odawara, Norihiko Kamikonya, Shouzou Hirota Proceedings of the Annual Meeting of JASTRO 28: 277-277, 2015.

P-048. Androgen deprivation therapy and three-dimensional conformal radiotherapy for clinically node-positive prostate cancer : Can the treatment be finished?
Hirofumi Asakura1, Kiyomi Sumita1, Tsuyoshi Onoe1, Hirofumi Ogawa1, Hideyuki Harada1, Masato Matsuzaki2, Ryo Yamashita2, Shigeyuki Murayama3, Masashi Niwakawa2, Tetsuo Nishimura1
Proceedings of the Annual Meeting of JASTRO 28: 277-277, 2015.

	P-049. Variations of serial changes in long-term follow-up of international prostate symptom score after I-125 prostate brachytherapy Tamaki Kondo, Munetaka Matoba, Kiyotaka Oota, Masataka Kitadate, Ichiro Toyota Proceedings of the Annual Meeting of JASTRO 28: 278-278, 2015.

P-050. Evaluation of dose distributions in combined extra beam therapy and I-125 brachytherapy for prostate cancer patients using deformable image registration system.
Yasuhiro Takada1, Masao Tanooka2, Tsukasa Wakayama2, Mitsuhiro Shibayama2, Hiroshi Doi1,2, Hitomi Suzuki1,2, Soichi Odawara1,2, Masayuki Fujiwara1,2, Keita Tsuboi1,2, Norihiko Kamikonya1, Syozo Hirota1
Proceedings of the Annual Meeting of JASTRO 28: 278-278, 2015.

	P-051. Pattern of recurrence after high-dose methotrexate followed by radiotherapy for primary central nervous system lymphoma Yasuo Ejima1, Kenji Yoshida1, Daisuke Miyawaki1, Takeaki Ishihara1, Ryo Nishikawa1, Yoshiro Matsuo1, Yuko Inoue1, Takashi Sasayama2, Ryohei Sasaki1 Proceedings of the Annual Meeting of JASTRO 28: 278-278, 2015.

	P-052. Radiotherapy for ocular adnexal Mucosa-associated lymphoid tissue lymphoma Kaori Nakajima, Yuki Okazawa, Masaaki Yamashina Proceedings of the Annual Meeting of JASTRO 28: 279-279, 2015.

	P-053. Mucosa-associated lymphoid tissue (MALT) lymphoma of the rectum treated with radiotherapy alone : A case report. Toyokazu Hayakawa1, Tetsuo Nonaka1, Nobutaka Mizoguchi1, Yasuhito Hagiwara1, Shogo Kawakami1, Rika Sakai2, Yuko Nakayama1 Proceedings of the Annual Meeting of JASTRO 28: 279-279, 2015.

	P-054. Primary Diffuse large B-Cell lymphoma of the testis : A single centre experience Ryuji Tokiya1, Eisaku Yoden1, Nobuhiko Kamitani1, Kei Konishi1, Junichi Hiratsuk1, Wada Hideho2, Sugihara Takashi2 Proceedings of the Annual Meeting of JASTRO 28: 279-279, 2015.

P-055. Radiation therapy in patients with central nervous system involvement of leukemia/lymphoma, combined with high-dose chemotherapy and hematopoietic stem cell transplantation
Yoko Matsumoto1, Toshinori Soejima1, Hiroki Kawaguchi1, Yosuke Ota1, Kayoko Tsujino1, Ryo Tominaga2, Hiroshi Gomyo2, Akio Maeda2, Mizuno Ishikazu2, Tohru Murayama2
Proceedings of the Annual Meeting of JASTRO 28: 280-280, 2015.

	P-056. Concurrent Chemoradiotherapy for True Natural Killer Cell Lymphoma, Nasal Type Arisa Harada1, Masahiko Oguchi1, Kyoko Ueda2, Yasuhito Terui2, Kengo Takeuchi3, Kiyohiko Hatake2 Proceedings of the Annual Meeting of JASTRO 28: 280-280, 2015.

	P-057. Palliative radiation therapy for patients with chemoresistant non-Hodgkin lymphoma Emiko Shimoda, Isao Asakawa, Nobuhide Wakai, Masahiro Morimoto, Tetsuro Tamamoto, Masatoshi Hasegawa Proceedings of the Annual Meeting of JASTRO 28: 280-280, 2015.

	P-058. Transposon insertion landscape of cancers in Exome analyses Shiro Yamada, Jumpei Itou, Hayano Takahide, Ituro Inoue Proceedings of the Annual Meeting of JASTRO 28: 281-281, 2015.

	P-059. Lack of XRCC4 Remarkably Sensitizing Radioresistant Human Colon Cancer Stem-Like Cells to X-rays and Carbon Ion Beams Sei Sai1, Guillaume Vares2 Proceedings of the Annual Meeting of JASTRO 28: 281-281, 2015.

	P-060. Effect of X-ray irradiation in combination with ascorbic acid against malignant cell lines Yoichiro Hosokawa, Satoru Monzen, Shingo Terasima, Hironori Yoshino, Yasushi Maria Proceedings of the Annual Meeting of JASTRO 28: 281-281, 2015.

	P-061. Analysis of Ku and XRCC4 expression in prostate cancer treated with radiotherapy Tomokazu Hasegawa, Masanori Someya, Kensei Nakata, Masakazu Hori, Yu Takada, Mio Kitagawa, Yuuki Fukushima, Toshio Gocho, Koh-Ichi Sakata Proceedings of the Annual Meeting of JASTRO 28: 282-282, 2015.

	P-062. Evaluation of cellular response to proton beam in esophageal cancer cell lines Hidehiro Hojo1, Domae Takeshi1, Motegi Atsushi1, Hotta Kenji1, Kono Ryosuke1, Zenda Sadamoto1, Arahira Satoko1, Nakamura Naoki1, Tsuchihara Katsuya2, Akimoto Tetsuo1 Proceedings of the Annual Meeting of JASTRO 28: 282-282, 2015.

	P-063. Radiosensitivity heterogeneity of tumor affecting the local control rate by fractionated radiotherapy Hiroshi Sekine Proceedings of the Annual Meeting of JASTRO 28: 282-282, 2015.

	P-064. Enhancement of anti-tumor effects of proton beam irradiation by hyperthermia in HGS cells Mayumi Yamashita1, Shinichi Nagayama1, Harue Kawai1, Shinichi Mizuno2, Takeshi Arimura1, Takashi Ogino1, Yoshio Hishikawa1 Proceedings of the Annual Meeting of JASTRO 28: 283-283, 2015.

	P-065. Histone deacetylase inhibitors potentially sensitize murine B16 melanoma cells to heavy-ion irradiation Katsuyo Saito1,2,3, Tomoo Funayama2,3, Yasuhiko Kobayashi2,3, Takashi Murakami1 Proceedings of the Annual Meeting of JASTRO 28: 283-283, 2015.

	P-066. PI3K/AKT/mTOR inhibitors enhance cytotoxic effect in combination with radiotherapy in gastric cancer cell lines Junichi Fukada1, Ryuichi Kota1,2, Masayo Mishima1, Tetsuya Kawata1, Naoyuki Shigematsu1 Proceedings of the Annual Meeting of JASTRO 28: 283-283, 2015.

	P-067. Temporo-spatial cell cycle kinetics in HeLa cells by Ir-192 HDR-RALS Taito Asahina1, Kaida Atsushi2, Keisuke Sasai1, Ryouichi Yoshimura3, Masahiko Miura2 Proceedings of the Annual Meeting of JASTRO 28: 284-284, 2015.

	P-068. Improvement of abdominal radiation-induced anorexia by Rikkunshito Yasuyuki Shimizu, Daisuke Miyawaki, Naritoshi Mukumoto, Ray Uchida, Hiroaki Akasaka, Takeaki Ishihara, Kenji Yosida, Yasuo Ejima, Ryohei Sasaki Proceedings of the Annual Meeting of JASTRO 28: 284-284, 2015.

	P-069. General fatigue during the period of post-operative radiotherapy for breast cancer patients ; Clinical usefulness of Japanese herbal medicine. Nobuhiko Yoshikawa, Hiroto Yoshioka, Ken Yoshida, Taiju Shimbo, Yasuo Uesugi, Natsuko Atsukawa, Mio Nakata, Takamitsu Hamada, Yoshikazu Tanaka, Yoshifumi Narumi Proceedings of the Annual Meeting of JASTRO 28: 284-284, 2015.

	P-070. Predictive factors for radiation pneumonitis after thoracic intensity modulated radiotherapy Hiroshi Mayahara1, Hideki Nishimura1, Aya Harada1, Toshinori Ogata1, Kazuyuki Uehara1, Yasuo Nakayama1, Haruka Uezono1, Yoshiki Nakamura1, Yasuo Ejima1,2, Ryohei Sasaki2, Masahiko Fujii1 Proceedings of the Annual Meeting of JASTRO 28: 285-285, 2015.

	P-071. Validation of 4D-CT ventilation image for ventilation-guided radiotherapy : Can 4D-CT ventilation measure effects of thoracic radiotherapy on regional lung function? Noriyuki Kadoya1, Yujiro Nakajima1, Sven Kabus2, Billy W Loo3, Paul J Keall4, Keiichi Jingu1, Tokihiro Yamamoto5 Proceedings of the Annual Meeting of JASTRO 28: 285-285, 2015.

	P-072. Prostate Tomotherapy with Spacer Gel, a Risk Managed Dose' Rising Kazushi Kishi1, Kazushi Kishi Kazushi Kishi1,2,3, Miyamoto Akihiko1, Takata Naoyuki1, Shibata Takeshi5, Tetsuo Sonomura2, Hajime Kamada4, Yuta Shibamoto3 Proceedings of the Annual Meeting of JASTRO 28: 285-285, 2015.

	P-073. How changes of Auto beam modeling in TPS according to difference Geometric Resolutions? Yuichi Aoyama1, Naritoshi Mukumoto2, Takaharu Nishitani1, Toshiaki Minami1, Mayumi Omoteda1, Naoki Yoshida1, Hiroaki Akasaka2, Kuniyasu Okudaira3, Hiroshi Oguchi4, Hideaki Kawamitsu1 Proceedings of the Annual Meeting of JASTRO 28: 286-286, 2015.

	P-074. postal dosimetry enforcement preparations for output dose of the high energy electron beam Munefumi Shimbo1, Hideyuki Mizuno2, Toshiyuki Minemura3, Naoki Tohyama4, Hiroyuki Okamoto2, Shinpei Hashimoto5, Shogo Hatanaka1, Hidenobu Tachibana2, Teiji Nishio2 Proceedings of the Annual Meeting of JASTRO 28: 286-286, 2015.

	P-075. Report of an accident of beam profile error of old type linear accelerator Shinji Kawamura1, Koike Masahiro1, Kanzaki Ryuuji1, Uehara Takuya1, Shiinoki Takehiro2, Takahashi Syotaro2, Hanazawa Hiroki2, Paku Seitetsu2, Keiko Shibuya2 Proceedings of the Annual Meeting of JASTRO 28: 286-286, 2015.

	P-076. Cross-sectional inspection of the dose calculation precision between plural facilities Kazunori Watanabe1, Shigeru Katou2, Takeshi Kawai2 Proceedings of the Annual Meeting of JASTRO 28: 287-287, 2015.

	P-077. Approach to establish the quality control method for intensity-modulated radiation therapy with using Shewhart control chart Satoshi Nakamura1,2, Hiroyuki Okamoto1, Akihisa Wakita1, Kato Tooru1, Hiroshi Igaki1, Yoshinori Ito1, Yoshihisa Abe1, Jun Itami1 Proceedings of the Annual Meeting of JASTRO 28: 287-287, 2015.

	P-078. A Report on Practical use of Quality Management System of Radiation Therapy between Related Facilities Yoshitaka Nemoto1, Haruka Suzuki1, Ryouko Shioda2, Hisanori Aoki1, Kiyotaka Suzuki2, Mayumi Kuronuma1, Hidenori Imura2, Yasuichi Awano1, Yoshiyuki Kawasaki1, Yoshiyuki Seya1, Norio Mitsuhashi1 Proceedings of the Annual Meeting of JASTRO 28: 287-287, 2015.

	P-079. Development of a high-dose-rate brachytherapy quality assurance tool for verification of source position with Oncentra applicator modeling Yu Kumazaki, Kazunori Miyaura, Ryuta Hirai, Kazunari Miyazawa, Soichi Makino, Tomoaki Tamaki, Naoto Shikama, Shingo Kato Proceedings of the Annual Meeting of JASTRO 28: 288-288, 2015.

	P-080. Feasibility of CBCT-based proton dose calculation with deformable image registration using Hounsfield unit modification for head and neck patient Kazuhiro Arai1,2, Noriyuki Kadoya2, Yuki Narita1, Shinya Komori1, Yoshitomo Abe1,2, Hiromitsu Endo1, Sho Oyama1, Tomoaki Motoyanagi1, Takahiro Kato1, Ken Takeda2, Keiichi Jingu2 Proceedings of the Annual Meeting of JASTRO 28: 288-288, 2015.

	P-081. Comparing of kV cone beam CT (CBCT) full-fan and CBCT half-fan for validation of dose distribution Yoshitaka Oka, Shigenori Yabe, Masahiro Harata, Ryoto Uchinuma, Motonobu Takano, Takanori Satou, Yoshiyuki Suzuki Proceedings of the Annual Meeting of JASTRO 28: 288-288, 2015.

	P-082. Dose profile evaluation between the linear chamber array and the 0.125cc free air chamber. Saki Osuga1, Naritoshi Mukumoto1, Hiroaki Akasaka1, Toshiaki Minami2, Takaharu Nishitani2, Mayumi Omoteda2, Yasuo Ejima1, Yuichi Aoyama2, Ryohei Sasaki1 Proceedings of the Annual Meeting of JASTRO 28: 289-289, 2015.

	P-083. Evaluation of check tools for VMAT treatment planning Miki Kawamura1, Yasunori Saito1, Yuka Kondo1, Masaharu Hibino1, Risa Nagatome1, Tsuyoshi Sawai1, Kazuhiro Egami1, Masanao Kato1, Fumitaka Ito2, Yutaka Kinomura1, Hidetoshi Kobayashi2 Proceedings of the Annual Meeting of JASTRO 28: 289-289, 2015.

	P-084. A graphical method to identify the failure causes in IMRT dose verification Satoru Utsunomiya1, Satoshi Tanabe2, Eisuke Abe1, Hidefumi Aoyama1 Proceedings of the Annual Meeting of JASTRO 28: 289-289, 2015.

	P-085. Optimizing Multi-Leaf Collimator Model Parameters in a New Treatment Planning System Yuta Eguchi1, Takahiro Tsuchiya1, Hiroshi Fukuma1, Yuto Kitagawa1, Yuji Mekata1, Harumasa Kasai1, Yasujiro Hirose1, Yuta Shibamoto1,2 Proceedings of the Annual Meeting of JASTRO 28: 290-290, 2015.

	P-086. Evaluation of the skin dose using newly shaped chest wall bolus avoiding coverage of axillary region in PMRT Nobuya Hattori, Hirokazu Matsuno, Kouichi Nakahata, Hajime Katou, Kentarou Oomiri, Takeo Mizutani, Takeyuki Murao, Yasunori Obata Proceedings of the Annual Meeting of JASTRO 28: 290-290, 2015.

	P-087. Evaluation of the influence of the timing to obtain the dose response curve for film dosimetry using GAFCHROMIC(R) EBT3 Akimasa Nishikawa, Kouichi Nishida, Hiroki Miwa, Takahiro Torishima, Tomoyuki Futami, Masahiro Sasaoka Proceedings of the Annual Meeting of JASTRO 28: 290-290, 2015.

	P-088. Evaluation of the absorbed dose from Co-60 RALS by using 2D-array of semiconductor Haruhide Kunimoto, Yoshiharu Morimoto, Kyouhei Morimoto, Masato Shimazui, Chikako Shigeno, Nobuki Imano, Kouichi Wadasaki Proceedings of the Annual Meeting of JASTRO 28: 291-291, 2015.

	P-089. Basic verification of the impact of rectal gas in the Delta-4 and ArcCHECK of 3D-DVH Kazuyoshi Kanai, Yasuharu Sugawara, Kazuki Kotabe, Wataru Yokohama, Koutarou Kijima Proceedings of the Annual Meeting of JASTRO 28: 291-291, 2015.

	P-090. For optimal index of absorbed dose-to-water calibration factor calculated from cross-calibration in electron beams Tsuyoshi Ikeda1, Akitsugu Oosaka2, Satoru Watanabe3, Kouji Suzuki4, Takahiro Katou5 Proceedings of the Annual Meeting of JASTRO 28: 291-291, 2015.

	P-091. Inspection of the precision of the dose calculation software at our facility based on the result of a measurement by the third party Tomoya Umino, Masayuki Iwasawa, Kan Marino, Kazuho Ogihara, Munetoshi Miyazaki Proceedings of the Annual Meeting of JASTRO 28: 292-292, 2015.

	P-092. The Characteristics of New Dynamic Moving Phantom for Dynamic Tracking Therapy Satoshi Kito1, Tomoyuki Okano1, Kenichi Motoyoshi2, Manabu Kanda2, Toshinobu Hashimoto2, Tomohisa Furuya1, Shimpei Hashimoto1, Keiji Nihei2, Katsuyuki Karasawa2 Proceedings of the Annual Meeting of JASTRO 28: 292-292, 2015.

	P-093. Assessment and factor analysis of head support fitting for radiotherapy of pediatric patients Chiaki Narumi, Hideyuki Tanaka, Ryou Naito, Eiji Kurosaki, Hiroshi Horiguchi, Masayuki Kitamura, Hiroshi Fuji, Shunsuke Nosaka, Chikako Kiyotani, Keita Terashima, Kimikazu Matsumoto Proceedings of the Annual Meeting of JASTRO 28: 292-292, 2015.

	P-094. Study of the Optimal MRI Scanning Conditions for Stereotactic Irradiation Takahiro Aoyama, Ikuo Shimizu, Naoki Kaneda, Yoshitaka Minami, Makoto Endo, Kazuhiko Nakamura, Mio Ando, Hironori Ozeki, Masaru Nakamura Proceedings of the Annual Meeting of JASTRO 28: 293-293, 2015.

	P-095. Use Experience Of TPUS for Clarity 3-D Ultrasound With Autoscan to IGRT Prostate Yusuke Ono1, Keigo Okabe1, Kouhei Iwamura1, Mitsuyoshi Yasuda1, Toshiyuki Takahashi1, Shogo Sai1, Yasuo Nakazawa2, Madoka Morota1 Proceedings of the Annual Meeting of JASTRO 28: 293-293, 2015.

	P-096. Evaluation of inter observer error for prostate IMRT Yoshiaki Kato, Hiroyuki Kawakami, Daisuke Totsuka, Takayuki Kaneko, Shihoko Sakahara Proceedings of the Annual Meeting of JASTRO 28: 293-293, 2015.

	P-097. Evaluation of patient setup error in 3 different fixation methods ; Correlation pelvic bone position and implanted markers position Kazuhiro Egami1, Naoki Hayashi2, Fumitaka Ito4, Masayuki Ito3, Masanao Kato1, Tsuyoshi Sawai1, Miki Kawamura1, Risa Nagatome1, Masaharu Hibino1, Yutaka Kinomura1, Hidetoshi Kobayashi4 Proceedings of the Annual Meeting of JASTRO 28: 294-294, 2015.

	P-098. Evaluation of patient setup errors in helical-type intensity modulated radiation therapy (TomoTherapy) Kazunari Ashizawa1, Naoki Sano1, Hotaka Nonaka2, Mitsuhiko Ooguri2, Takafumi Komiyama2, Kengo Kuriyama2, Hiroshi Onishi2 Proceedings of the Annual Meeting of JASTRO 28: 294-294, 2015.

	P-099. Evaluation of couch height-based patient set-up in abdominal or pelvic radiotherapy Jin Kobayashi1, Hitohiro Nishitani1, Shigeru Kanahara1, Takatoshi Tahara2, Nobue Uchida2 Proceedings of the Annual Meeting of JASTRO 28: 294-294, 2015.

	P-100. Visibility and Durability of a new point skin maker compared with conventional markers Seishin Sasaki1, Hisashi Tanaka1, Kohki Waga1, Hiroshi Goto1, Tomonari Takashima1, Ryohei Uemurai1,4, Norikazu Arai1, Shinobu Kumagai4, Keiichirou Kubo3, Hideki Takahashi3, Atsuro Terahara3, Nakashi Sasano2 Proceedings of the Annual Meeting of JASTRO 28: 295-295, 2015.

	P-101. Review of position reappearance using upper body fixed vacuum cushion collection system in postoperative irradiation in breast conservation Masaru Hoshino1, Ryousuke Suzuki1, Masafumi Suenaga1, Chiharu Satou1, Takahiro Soukawa1, Mitsuo Saitou1, Jiro Watarai1, Hisashi Satou2 Proceedings of the Annual Meeting of JASTRO 28: 295-295, 2015.

	P-102. Internal movement of prostate detected by cone beam CT in correlation with bladder and rectal volume Yasuo Oguma1, Tomohiro Matsuura1, Hidekazu Nambu1, Yoshiki Takei1, Kaoru Okajima1 Proceedings of the Annual Meeting of JASTRO 28: 295-295, 2015.

	P-103. Development of a Fast, High-Precision Automatic Patient Positioning Software in Carbon Ion Therapy : Verification for Prostate Cancer Cases Hayato Hayashi1, Yoshiki Kubota2, Satoshi Abe3, Saki Souda3, Ryosuke Okada3, Takayoshi Ishii3, Mutsumi Tashiro2, Masami Torikoshi2, Tatsuaki Kanai2, Tatsuya Ohno2, Takashi Nakano2 Proceedings of the Annual Meeting of JASTRO 28: 296-296, 2015.

	P-104. Application of a yaw angular adjustment aid to the 6D image-guided radiotherapy for the head by helical tomotherapy Hiroshi Fukuma1, Hiroshi Fukuma1, Yuta Eguchi1, Takahiro Tsuchiya1, Yuji Mekata1, Yuto Kitagawa1, Harumasa Kasai1, Yasujiro Hirose1, Taro Murai2, Yuta Shibamoto1,2 Proceedings of the Annual Meeting of JASTRO 28: 296-296, 2015.

	P-105. Toxicity of lung stereotactic body radiation therapy with or without dynamic tumor tracking Sara Koh, Satoshi Kito, Keiji Nihei, Yumiko Machitori, Hiroshi Kuramoto, Terufumi Kawamoto, Yukiko Shibata, Shimpei Hashimoto, Takuya Shimizuguchi, Katsuyuki Karasawa Proceedings of the Annual Meeting of JASTRO 28: 296-296, 2015.

	P-106. Basic verification for respiratory-gated radiotherapy using real-time position management Atsushi Itami1, Mori Takahumi2, Kida Katsuhisa2, Kobayashi Tomoki2, Yamasita Kyou2, Ikushima Hitoshi3 Proceedings of the Annual Meeting of JASTRO 28: 297-297, 2015.

	P-107. A fundamental study of four dimensional computed tomography Rie Yamazaki1, Naoki Miyamoto2, Kenneth Sutherland3 Proceedings of the Annual Meeting of JASTRO 28: 297-297, 2015.

	P-108. The Current State Of Radiation Therapy In The JCHO Hospital Group Hiromasa Kurosaki1, Nobuko Utsumi1, Shiho Ayakawa2, Daiki Takaoka2, Kazushige Atsumi3, Setsu Katayama4, Toshiyuki Nishita5, Tomoko Maekado5, Yuuji Miyamoto6 Proceedings of the Annual Meeting of JASTRO 28: 297-297, 2015.

P-109. IHE integration profile Radiotherapy Summary Communication that is corresponding to JROD (Japanese Radiation Oncology Database) as a summary contents.
Osamu Kawaguchi1, Hodaka Numasaki4, Masaharu Kimura2, Nobuhiro Tsukamoto8, Yutaka Ando5, Masami Mukai6, Tetsuro Tamamoto7, Masayoshi Seki2, Kazuo Misutani1, Takashi Terauchi1, Teruki Teshima3
Proceedings of the Annual Meeting of JASTRO 28: 298-298, 2015.

	P-110. Using Wacom tablet(R) on ARIA-RIS(R), Paperless Initiatives in the Informed Consent of Radiation Therapy Shoko Fukushima, Hiroshi Tanaka, Shinichi Sakuma, Naoki Okuyama, Hidekazu Ishii, Michie Seki Proceedings of the Annual Meeting of JASTRO 28: 298-298, 2015.

	P-111. Case report : Four years of local control of malignant fibrous histiocytoma by proton beam therapy combined with hyperthermia Takashi Iizumi, Shimizu Shousei, Numajiri Haruko, Mizumoto Masashi, Ohnishi Kayoko, Aihara Teruhito, Fukumitsu Nobuyoshi, Ishikawa Hitoshi, Okumura Toshiyuki, Sakurai Hideyuki Proceedings of the Annual Meeting of JASTRO 28: 298-298, 2015.

	P-112. Is radiotherapy for a patient under the mechanical ventilation always contraindicated? Hideki Hanazawa, Shotaro Takahashi, Sungchul Park, Takehiro Shiinoki, Shinnji Kawamura, Keiko Shibuya Proceedings of the Annual Meeting of JASTRO 28: 299-299, 2015.

	P-113. Successful Treatment of N3 Cervical Lymph Node Recurrence from Oropharyngeal Cancer with Thermochemoradiotherapy : A case report Yuta Sekino1, Kayoko Ohnishi1, Takashi Saito1, Teruhito Aihara1, Kenji Yamagata2, Masashi Mizumoto1, Nobuyoshi Fukumitsu1, Hitoshi Ishikawa1, Toshiyuki Okumura1, Hideyuki Sakurai1 Proceedings of the Annual Meeting of JASTRO 28: 299-299, 2015.

	P-114. Potential of Cutometer for the quantitative estimation of radiation dermatitis : initial experience Shuhei Sekii, Yoshinori Ito, Kashihara Tairo, Kazuma Kobayashi, Ken Harada, Rei Umezawa, Kana Takahashi, Koji Inaba, Naoya Murakami, Hiroshi Igaki, Jun Itami Proceedings of the Annual Meeting of JASTRO 28: 299-299, 2015.

	P-115. Two cases of unresectable adenoid cystic carcinoma of the trachea treated with proton beam therapy Daigo Miyauchi, Kayoko Ohnishi, Thoshiyuki Okumura, Haruko Numajiri, Masashi Mizumoto, Teruhito Aihara, Nobuyuki Fukumitsu, Hitoshi Ishikawa, Hideyuki Sakurai Proceedings of the Annual Meeting of JASTRO 28: 300-300, 2015.

	P-116. Two cases of advanced thymic carcinoma treated with proton beam therapy Two cases of advanced thymic carcinoma treated with proton beam therapy Noeru Shiraki, Hideyuki Sakurai, Koji Tsuboi, Toshiyuki Okumura, Hitoshi Ishikawa, Teruhito Aihara, Nobuyoshi Fukumitsu, Masashi Mizumoto, Haruko Numajiri, Kayoko Ohnishi Proceedings of the Annual Meeting of JASTRO 28: 300-300, 2015.

	P-117. Interfractional drastic shift of a mesenteric lesion of malignant lymphoma : a case report Yasuhito Hagiwara1,2, Kenji Nemoto3, Mayumi Harada2,3, Masatoshi Okamoto4 Proceedings of the Annual Meeting of JASTRO 28: 300-300, 2015.

	P-118. Pathological complete response was achieved after chemoradiotherapy for locally advanced pancreatic Cancer ; a case study. Sungchal Park, Takahashi Shotaro, Hanazawa Hideki, Shiinoki Takehiro, Shibuya Keiko Proceedings of the Annual Meeting of JASTRO 28: 301-301, 2015.

	P-119. A case report of Langerhans' cell histiocytosis of bone Yukiko Ozawa1, Yoshikazu Kagami1, Hidenori Shinjo1, Madoka Morota2, Kouzou Murakami1, Naoyuki Okabe3, Masako Kato1, Akifumi Niiya1, Rei Kobayashi1 Proceedings of the Annual Meeting of JASTRO 28: 301-301, 2015.

	P-120. Multiple lung tumors like metastases from liposarcoma. Shuichi Kanamori, Masahiro Inada, Kazuki Ishikawa, Izummi Tachibana, Hitoshi Tatebe, Hajime Monzen, Masaki Yokokawa, Yasumasa Nishimura Proceedings of the Annual Meeting of JASTRO 28: 301-301, 2015.

	P-121. A case of massive squamous cell carcinoma of the breast treated with successful radiotherapy and curative operation. Marika Nozawa1, Shouko Komori1, Norihiko Sengoku2, Hiromichi Ishiyama1, Atsuko Hara3, Itaru Soda1, Akane Sekiguchi1, Kouji Takenaka1, Hirokazu Tanino2, Kazushige Hayakawa1 Proceedings of the Annual Meeting of JASTRO 28: 302-302, 2015.

	P-122. A case of head and neck hemangiopericytoma treated with intensity modulated radiation therapy using helical TomoTherapy Masahide Hayashi, Shinichi Ogawa, Shinji Furukawa, Naoya Yamamoto, Chika Mouri, Takahiko Yajima, Ryou Tanokura, Tomohiro Hiasa Proceedings of the Annual Meeting of JASTRO 28: 302-302, 2015.

	P-123. A single-institution experience in pediatric glioblastoma : report of seven cases Noriko Ii1, Akinori Takada1, Yutaka Toyomasu1, Tomoko Kawamura1, Yui Watanabe1, Yasufumi Yamashita4, Satoru Ochiai4, Hidemi Toyoda2, Masahiro Hirayama2, Toshio Matsubara3, Yoshihito Nomoto1 Proceedings of the Annual Meeting of JASTRO 28: 302-302, 2015.

	P-124. Radiation therapy for a uterine cervical cancer patient with Bernard-Soulier syndrome Takuya Tsugawa1, Naoaki Kono1, Ken Aoki1, Yoshihide Tanoue1, Keiji Hashimoto2, Kazuo Noma2, Koki Tanaka2, Jyunko Sugiyama2, Yusuke Fukui2, Eriko Honda2, Kiyoshi Murata1 Proceedings of the Annual Meeting of JASTRO 28: 303-303, 2015.

	P-125. A case of recurrent pleuropulmonary blastoma treated by radiotherapy. Masahiro Inada, Kohei Fukuda, Hitoshi Tatebe, Kazuki Ishikawa, Izumi Tachibana, Masaki Yokokawa, Kiyoshi Nakamatsu, Shuichi Kanamori, Yasumasa Nishimura Proceedings of the Annual Meeting of JASTRO 28: 303-303, 2015.

	P-126. CyberKnife stereotactic re-irradiation for bone metastases : safety and efficacy assessment Eiichi Mizuno1, Tomoyasu Kumano2, Mikoto Nakagawa2, Hisatake Fujii3 Proceedings of the Annual Meeting of JASTRO 28: 303-303, 2015.

	P-127. Re-irradiation with stereotactic body therapy (SBRT) in peripherally located non-small cell lung cancer previously treated with SBRT. Case report and literature review Shinya Hayashi1, Hidekazu Tanaka2, Akiko Asano1, Risei Miyauchi1, Tatsuo Katou3, Takuji Fulinaga3 Proceedings of the Annual Meeting of JASTRO 28: 304-304, 2015.

	P-128. Radiotherapy for double/triple cancers, in our experience Kenji Nagata1, Hiroya Shiomi1,3, Yasuo Ooguma1,4, Hiroji Morikawa1, Yu-Ichirou Watanabe1, Katsuhisa Mizuno1, Mari Kogawa1, Kazuyuki Komatsubara1, Hideki Takegawa1,5, Kiyoshi Hata1, Tomokuni Shiraishi2 Proceedings of the Annual Meeting of JASTRO 28: 304-304, 2015.

	P-129. A case series of Stereotactic Body Radiotherapy as re-iradiation for recurrence disease of Epidural Spinal Cord Compression Akito Fukuda, Hiroshi Tanaka, Tomohisa Furuya, Keiji Nihei, Katsuyuki Karasawa Proceedings of the Annual Meeting of JASTRO 28: 304-304, 2015.

	P-130. Acceptance and commissioning of a cyclotron-based epithermal neutron source at Southern Tohoku Research Institute Takahiro Kato1,2, Kazuhiro Arai1,2, Tomoaki Motoyanagi1,2, Kazuyo Igawa2, Hiroki Tanaka3, Yuji Kikuchi4, Toshinori Mitsumoto4, Satoru Yajima4, Akira Maruhashi3, Masato Hareyama1,2, Kanichi Seto2 Proceedings of the Annual Meeting of JASTRO 28: 305-305, 2015.

	P-131. Two years experiences of carbon-iron radiotherapy for patients with stage I breast cancer Kumiko Karasawa1, Omatsu Tokuhiki2, Wakatsuki Masaru2, Shintaro Shiba2, Shigekazu Fukuda2, Tadashi Kamada2 Proceedings of the Annual Meeting of JASTRO 28: 305-305, 2015.

	P-132. Synergistic action of cisplatin and carbon-ion irradiation in adenocarcinoma of the uterine cervix and HeLa cell line Shintaro Shiba1,2, Masaru Wakatsuki1, Shingo Kato3, Tatsuya Ohno2, Kumiko Karasawa4, Hiroki Kiyohara2, Hirohiko Tsujii1, Takashi Nakano2, Tadashi Kamada1, Makio Shozu5 Proceedings of the Annual Meeting of JASTRO 28: 305-305, 2015.

	P-133. A clinical trial of carbon-ion radiotherapy for the centrally located early stage lung cancer Naoyoshi Yamamoto, Mio Nakajima, Masataka Karube, Makoto Annzai, Shinichi Minohara, Tadashi Kamada Proceedings of the Annual Meeting of JASTRO 28: 306-306, 2015.

	P-134. Carbon-ion radiotherapy for prostate cancer with bladder invasion Hiro Sato1, Hidemasa Kawamura1,2, Nobuteru Kubo1, Tatsuji Mizumami1, Masahiro Kawahara2, Hiroyuki Katoh1, Hiroshi Matsui3, Yoshiyuki Miyazawa3, Haruo Katoh3, Kazuto Katoh3, Kazuhiro Suzuki3, Tatsuya Ohno2, Takashi Nakano1 Proceedings of the Annual Meeting of JASTRO 28: 306-306, 2015.

	P-135. Particle therapy using carbon ions or protons for patients with mucoepidermoid carcinoma of the head and neck Masayuki Mima1, Yusuke Demizu2, Nor Shazrina Sulaiman2, Fumiko Nagano2, Kazuki Terashima2, Osamu Fujii2, Dongcun Jin2, Takahiro Waki3, Michinori Yamamoto4, Kazufumi Imanaka1, Tomoaki Okimoto2 Proceedings of the Annual Meeting of JASTRO 28: 306-306, 2015.

	P-136. Toxicity after carbon-ion radiotherapy for peripherally located lung tumor Akira Matsunobu, Yoshiyuki Shioyama, Hiroaki Suefuji, Makoto Shinoto, Shingo Toyama, Sho Kudo Proceedings of the Annual Meeting of JASTRO 28: 307-307, 2015.

P-137. Development of an In-Vivo Spacer that Verifies Irradiated Position and Dose Distribution in Carbon Ion Therapy for Uterine Cervical Cancer
Yoshiki Kubota1, Tatsuya Ohno1, Kazutoshi Tsuda2, Mutsumi Tashiro1, Makoto Sakai1, Yoshiyuki Hirano1, Noriyuki Okonogi1, Kazutoshi Murata1, Shin-Ei Noda1, Masami Torikoshi1, Tatsuaki Kanai1, Takashi Nakano1
Proceedings of the Annual Meeting of JASTRO 28: 307-307, 2015.

	P-138. Current Status of Particle Therapy in Japan (from 2002 to 2014) Masami Mukai1, Member Jcpt2, Yutaka Ando2,3, Tadashi Kamada2,3 Proceedings of the Annual Meeting of JASTRO 28: 307-307, 2015.

	P-139. Carbon ion radiotherapy for inoperable pancreatic cancer in super-elderly patients Hiroto Murata, Masahiko Okamoto, Hiroki Kiyohara, Naoko Okano, Tatsuya Ohno, Takashi Nakano Proceedings of the Annual Meeting of JASTRO 28: 308-308, 2015.

	P-140. External beam radiation therapy combined with high dose rate brachytherapy for prostate cancer : urethra dose reduction using the Inverse Planning method Yasutaka Noda1, Tetsuo Sonomura1, Takahiro Chiba1, Miwa Kawaguchi1, Taku Yumikura2, Yuuji Miyazaki2, Shintarou Shirai1 Proceedings of the Annual Meeting of JASTRO 28: 308-308, 2015.

	P-141. The period of commissioning and Quality Assuarance for High Dose Rate Brachytherapy Yuki Shibata, Tomomasa Nagahata, Shunichi Oose, Takuzou Ishikawa, Yomoda Akane, Tomohiro Sahara, Takao Ichida Proceedings of the Annual Meeting of JASTRO 28: 308-308, 2015.

	P-142. Salvage high-dose-rate brachytherapy for local recurrence of post-operative endometroid adenocarcinoma Sungjae Baek1, Ken Yoshida2, Tadayuki Kotsuma3, Hideya Yamazaki4, Eiichi Tanaka3, Iori Sumida1, Fumiaki Isohashi1, Kazuhiko Ogawa1 Proceedings of the Annual Meeting of JASTRO 28: 309-309, 2015.

P-143. Comparison of dosimetric parameters of bladder and rectum achieved by Fletcher-type applicator with Manchester-type in image guided intracavitary brachytherapy of cervical cancer.
Kotaro Yoshio1, Naoya Murakami2, Takumi Sakamoto1, Kazuma Kobayashi2, Ken Harada2, Kitaguchi Mayuka2, Syuuhei Sekii2, Kana Takahashi2, Koji Inaba2, Susumu Kanazawa3, Jun Itami2
Proceedings of the Annual Meeting of JASTRO 28: 309-309, 2015.

	P-144. Proton Beam Therapy for Patients with Early Breast Cancer with a High-Precision Breast-Immobilization System Takeshi Arimura1, Takashi Ogino1, Mitsugi Matsuyama1, Etsuyo Ogo2, Yoshio Hishikawa1 Proceedings of the Annual Meeting of JASTRO 28: 309-309, 2015.

	P-145. Cardiotoxicity with concurrent radiotherapy and trastuzumab administration in breast cancer Masahiro Kato1, Kazuhiko Sato2, Yoshio Mizuno2, Hiromi Fuchikami2, Masaru Iwai3, Takahiro Shimo1, Atsushi Tometoshi1, Jun Kubota1, Maina Soma1, Hiroko Yokoyama4, Hisato Nagano4 Proceedings of the Annual Meeting of JASTRO 28: 310-310, 2015.

	P-146. Preliminary safety report of Post Mastectomy Radiation Therapy after breast reconstruction with silicone implant Masahiro Yoshida1, Yasuko Kumai1, Arisa Harada1, Hirohumi Ohkubo1, Keiko Murofushi1, Takao Asari1, Takashi Toshiyasu1, Daiki Kato1, Takuyo Kozuka1, Minako Sumi1, Masahiko Oguchi1 Proceedings of the Annual Meeting of JASTRO 28: 310-310, 2015.

	P-147. Impact of the angle width of VMAT for breast irradiation Hiroko Yokoyama, Hisato Nagano, Harumitu Hasimoto, Motoi Watanabe, Masanori Nakanisi, Yuichi Kaneko, Yukiko Kishida, Tomoko Ogawa, Tosihiko Kawasaki Proceedings of the Annual Meeting of JASTRO 28: 310-310, 2015.

	P-148. Radiation sickness in patients with breast conservative therapy Jun Eishima1, Masahiro Takahashi2, Yoichi Sato2, Chikashi Negishi2, Yukio Koibuchi3, Yoshizumi Kitamoto1 Proceedings of the Annual Meeting of JASTRO 28: 311-311, 2015.

	P-149. Respiratory variation of dose volume histogram evaluated by two-phase computer tomography in whole breast irradiation for breast cancer. Shino Shibata1,2, Saori Itoh1,2, Hideomi Yamashita2, Manabu Senda1, Shuichi Umezawa1, Yoshiaki Tanaka1 Proceedings of the Annual Meeting of JASTRO 28: 311-311, 2015.

	P-150. Is spot scanning proton therapy following breast conservation surgery beneficial? Rumiko Kinoshita1, Yoshimura Takaaki2,3, Shimizu Shinichi4,5, Nishikawa Yukiko2, Nishioka Kentaro5, Hashimoto Takayuki2, Takao Seishin6, Matsuura Taeko6, Umegaki Kikuo6,7, Shirato Hiroki2,4 Proceedings of the Annual Meeting of JASTRO 28: 311-311, 2015.

	P-151. Safety Evaluation of Irradiation for Post Mastectomy Patients with Tissue Expander Toshiaki Kobayashi, Tadashi Kitahara, Tuyoshi Hukuzawa, Takeshi Akiba, Tetuya Komatu, Ryuuta Nagao, Etuo Kunieda Proceedings of the Annual Meeting of JASTRO 28: 312-312, 2015.

	P-152. The dose of the axillary region and lung with tangential breast irradiation on breast conservation therapy with positive sentinel lymph node metastases Mikoto Nakagawa1, Tomoyasu Kumano1, Miu Mizuhata1, Youko Taima1, Shinji Fujita1, Shigeyuki Takamatsu1, Shizuko Oohashi2, Satoko Ishikawa3, Masashi Inokuchi3 Proceedings of the Annual Meeting of JASTRO 28: 312-312, 2015.

	P-153. Preliminary experience of prone breast irradiation in the breast conserving therapy using New Horizon prone breastboard Tomio Nakagawa, Kaneyasu Yuko Proceedings of the Annual Meeting of JASTRO 28: 312-312, 2015.

	P-154. Clinical features of metachronous cancer in patients with esophageal cancer treated by definitive radiation therapy Yuji Murakami, Kawabata Hideo, Takeuchi Yuki, Nishibuchi Ikuno, Okabe Tomoyuki, Kenjo Masahiro, Tomoki Kimura, Yasushi Nagata Proceedings of the Annual Meeting of JASTRO 28: 313-313, 2015.

	P-155. Radiotherapy for cervical esophageal squamous cell carcinoma : a retrospective study Yu Ohkubo1, Yoshihiro Saito1, Tomoko Kazumoto1, Hiroki Ushijima1, Masahiro Onishi1, Hiroki Hara2, Takako Yoshii2, Miwako Arima2, Kensei Yamaguchi2 Proceedings of the Annual Meeting of JASTRO 28: 313-313, 2015.

	P-156. Experience of effective Chemoradiotherapy for Barrett's esophageal cancer. Madoka Abe, Minoru Ueda, Yuko Shirakawa, Naonobu Kunitake Proceedings of the Annual Meeting of JASTRO 28: 313-313, 2015.

	P-157. Construction of New Combined Radiotherapy System for Advanced Esophageal Cancer Makoto Sasaki1, Hiroyasu Tamamura2, Yoshikazu Maeda1, Yuji Tameshige1, Yasuhito Nakazawa1, Satoshi Shibata1, Yoshitaka Sato1, Kazutaka Yamamoto1 Proceedings of the Annual Meeting of JASTRO 28: 314-314, 2015.

	P-158. Dosimetric comparison between volumetric modulated arc therapy and conventional 3D conformal radiotherapy for middle thoracic esophageal cancer Yoshiko Doi, Yuji Murakami, Hideo Kawabata, Yuki Takeuchi, Ikuno Nishibuchi, Tomoyuki Okabe, Masahiro Kenjo, Tomoki Kimura, Yasushi Nagata Proceedings of the Annual Meeting of JASTRO 28: 314-314, 2015.

	P-159. Treatment outcomes of neoadjuvant chemoradiotherapy followed by surgery in patients with initially inoperable thoracic esophageal cancer Hideyuki Morimoto1, Yushi Fujiwara2, Masako Hosono1, Shogo Matsuda1, Kosuke Amano1, Eiichiro Okazaki1, Yoshitaka Miki1, Shinichi Tsutsumi1, Yasuhiko Shimatani1, Yukio Miki1, Harushi Osugi2 Proceedings of the Annual Meeting of JASTRO 28: 314-314, 2015.

	P-160. Recurrent pattern after definitive chemoradiotherapy for cervical esophageal cancer Shuhei Sekii1, Yoshinori Ito1, Ken Kato2, Kazuma Kobayashi1, Ken Harada1, Rei Umezawa1, Kana Takahashi1, Kouji Inaba1, Naoya Murakami1, Hiroshi Igaki1, Jun Itami1 Proceedings of the Annual Meeting of JASTRO 28: 315-315, 2015.

	P-161. Radiotherapy outcome of T4 esophageal cancer in our institute Takafumi Yamano1, Takeo Takahashi1, Keiichiro Nishimura1, Shuichi Ueno1, Mikito Hondo1, Osamu Murata1, Shogo Hatanaka1, Munefumi Shinbo1, Yoichi Kumagai2, Hisato Osada3, Hideyuki Ishida2 Proceedings of the Annual Meeting of JASTRO 28: 315-315, 2015.

	P-162. Chemoradiotherapy vs. surgery for esophageal canser with supraclavicular lymph node metastasis in a single institutionalretrospective study Hideomi Yamashita, Ryousuke Takenaka, Keiichi Nakagawa Proceedings of the Annual Meeting of JASTRO 28: 315-315, 2015.

	P-163. Subventricular zone dose and survival for glioblastoma Hiroshi Igaki, Tsuchida Keisuke, Kashihara Tairo, Kobayashi Kazuma, Harada Ken, Sekii Shuhei, Takahashi Kana, Inaba Koji, Umezawa Rei, Ito Yoshinori, Itami Jun Proceedings of the Annual Meeting of JASTRO 28: 316-316, 2015.

	P-164. The Outcome of High-Grade Glioma in Children Ken Harada, Hiroshi Igaki, Tairo Kashihara, Kazuma Kobayashi, Shuhei Sekii, Rei Umezawa, Kana Takahashi, Koji Inaba, Naoya Murakami, Yoshinori Ito, Jun Itami Proceedings of the Annual Meeting of JASTRO 28: 316-316, 2015.

	P-165. Validity test of neurological prognostic score with 5 grading systems for brain metastasis patients treated with stereotactic radiosurgery Toru Serizawa1, Yoshinori Higuchi1, Osamu Nagano3, Tatsuo Hirai4, Shinya Takemoto5, Akifumi Miyakawa5, Yuta Shibamoto5 Proceedings of the Annual Meeting of JASTRO 28: 316-316, 2015.

	P-166. Examination about the factors affecting the effect of the Whole brain radiotherapy for brain metastases Shuri Aoki1, Masao Tago1, Nakashi Sasano1, Nobuhiko Seki1, Takeshi Honda1, Noriyuki Matsutani2 Proceedings of the Annual Meeting of JASTRO 28: 317-317, 2015.

	P-167. Prognosis of patients with brain metastasis treated by radiotherapy Shunichi Ishihara1, Akira Takada1, Rei Nakamichi1, Mariko Kawamura2, Yoshiyuki Itoh2, Shinji Naganawa2 Proceedings of the Annual Meeting of JASTRO 28: 317-317, 2015.

	P-168. Treatment outcomes of radiotherapy for primary central nervous system lymphoma Tomoko Atsuta1, Takehisa Takagi1, Hiroki Toda2, Koichi Iwasaki2, Ryosuke Okumura1 Proceedings of the Annual Meeting of JASTRO 28: 317-317, 2015.

	P-169. Hypofractionated stereotactic radiotherapy to brain metastases of radioresistant tumors and radiosensitive tumors in our institution : outcomes and toxicity Mayumi Ichikawa, Takashi Kaneko, Masayoshi Yamada, Mayumi Harada, Hiroko Akamatsu, Yuuki Kuroda, Kenji Nemoto Proceedings of the Annual Meeting of JASTRO 28: 318-318, 2015.

	P-170. A retrospective analysis of treatment results of radiotherapy for patients with brain metastases Makoto Kiyozuka1, Masahiko Aoki3, Makoto Sasamori1, Hiromitsu Takahashi1, Nanami Muramoto1, Yoshihiro Takai3, Yuh Sakata2 Proceedings of the Annual Meeting of JASTRO 28: 318-318, 2015.

	P-171. Fractionated Stereotactic Radiotherapy for Metastatic Brain Tumors Using Helical Intensity-Modulated Radiotherapy Akifumi Miyakawa1, Takuhito Kondo1, Satoru Uehara2, Yoshihiko Manabe3, Shinya Takemoto4, Yuta Shibamoto3 Proceedings of the Annual Meeting of JASTRO 28: 318-318, 2015.

	P-172. Whole-brain radiotherapy with simultaneous integrated boost to 4 or more brain metastases using helical tomotherapy Takuhito Kondo1, Akifumi Miyakawa1, Satoru Uehara2, Yoshihiko Manabe3, Shinya Takemoto3, Yuta Shibamoto3 Proceedings of the Annual Meeting of JASTRO 28: 319-319, 2015.

	P-173. Pineal Parenchymal Tumor of Intermediate Differentiation Treatment with Neoadjuvant Chemotherapy and CyberKnife Radiotherapy : A Case Report Ataru Fukuda, Hiroaki Shirotori, Takayuki Kogure, Ryou Tanaka, Tomohiro Morito, Isao Kitahara Proceedings of the Annual Meeting of JASTRO 28: 319-319, 2015.

	P-174. Intial outocomes of fractionated stereotactic radiotherapy for vestibular schwannoma Kazuya Okamoto, Hideaki Iizuka Proceedings of the Annual Meeting of JASTRO 28: 319-319, 2015.

	P-175. Incidence and its prognostic factors of asymptomatic and symptomatic new distat lesions after Gamma Knife Radiosurgery for brain metastases : retrospective cohort study Kiyoshi Nakazaki1, Masakazu Nishigaki2 Proceedings of the Annual Meeting of JASTRO 28: 320-320, 2015.

	P-176. Patient Transportation System ZephyrTM for CT evaluation : experience of intracavitary brachytherapy for uterine cancer Takako Mori, Mikio Nemoto, Hirono Morimitsu, Yasumi Anno, Michiko Nakamura, Masanori Nakazawa Proceedings of the Annual Meeting of JASTRO 28: 320-320, 2015.

	P-177. Self-care education for cervical cancer patients treated with chemoradiotherapy Atsuko Fukuda1, Maya Kobayashi1, Mayumi Kikuchi1, Toshio Nishimura2, Ken Ando3 Proceedings of the Annual Meeting of JASTRO 28: 320-320, 2015.

P-178. The Evaluation of Nutritional Status for Hospitalized Patients with Head and Neck Carcinoma Treated with Carbon-Ion Radiotherapy : the Effect of Nutritional Intervention by Nursing Professionals
Miki Okada1, Minami Okonogi1, Maiko Senuma1, Yuki Kuribara1, Yuri Ohsaki1, Hiroko Imai1, Manami Nakamura1, Yoko Kitada1, Noriyuki Okonogi2, Katsuyuki Shirai2, Jun-Ichi Saitoh2, Tatsuya Ohno2, Nakano Takashi2
Proceedings of the Annual Meeting of JASTRO 28: 321-321, 2015.

	P-179. Early experience in nursing for MRI based image-guided brachytherapy for gynecologic malignancies Fumie Oota1, Saeko Kato1, Kenji Yoshida2, Eiko Noguchi1, Tamiyo Moujho1, Omoteda Mayumi3, Daisuke Miyawaki2, Yasuhiko Ebina4, Hitoaki Sato5, Ryohei Sasaki2 Proceedings of the Annual Meeting of JASTRO 28: 321-321, 2015.

	P-180. Fact-finding survey on the influence of introducing "radiation therapy clothes" to improve the efficiency of treatment time and how affect in patients Kaori Numaguchi1, Naoki Sano2, Hotaka Nonaka2, Mitsuhiko Oguri2, Takafumi Komiyama2, Kengo Kuriyama2, Hiroshi Onishi2 Proceedings of the Annual Meeting of JASTRO 28: 321-321, 2015.

	P-181. A Report of Using a Clinical Pathway of Carbon ion radiotherapy for Prostate Cancer from a Peripheral Cooperative hospital Nobuyo Hatori1, Tanaka Naoko1, Hirakata Mitsuko1, Aoki Mika1, Irie Daisuke2, Nakamura Yuji2 Proceedings of the Annual Meeting of JASTRO 28: 322-322, 2015.

	P-182. Evaluation of mitigating effect by AIRWALL film dressing for acute radiation dermatitis induced by particle therapy Satsuki Okabe1, Yusuke Demizu2, Mio Fujimoto1, Atuko Ohtsuka1, Akemi Maeda1, Nor Shazrina Sulaiman2, Yasue Niwa3, Tomoaki Okimoto2 Proceedings of the Annual Meeting of JASTRO 28: 322-322, 2015.

	P-183. Factual investigation about nursing orientation at the start of radiotherapy Kazuyo Yoshida1, Kazuko Matsumura1, Keiichiro Nishimura2, Takafumi Yamano2, Shuichi Ueno2, Shougo Hatanaka2, Munefumi Shinbo2, Takeo Takahashi2 Proceedings of the Annual Meeting of JASTRO 28: 322-322, 2015.

	P-184. Nursing support for outpatients with pharyngeal carcinoma treated by radiation therapy while caring their family with cancer Akiko Tsuji, Kaori Nakajima, Masaaki Yamasina, Yuuki Okazawa Proceedings of the Annual Meeting of JASTRO 28: 323-323, 2015.

	P-185. Approach to control rectal gas and stool for radiotherapy to patients with prostate cancer Ayaka Koizumi1, Ai Taniguchi1, Yasutaka Hayashi1, Katsumi Miyamoto1, Kazuya Shinoda1, Yuichi Kato1, Keiichi Tanaka1,3, Onose Toshiko1, Shinji Sugahara1,2, Yoshiko Oshiro1 Proceedings of the Annual Meeting of JASTRO 28: 323-323, 2015.

P-186. Evaluation of sensitivity of passive-scattering proton therapy to organ movement during course of prostate cancer treatment using dose accumulation with DIR : Comparison of proton therapy and IMRT
Yoshitomo Abe1,2, Noriyuki Kadoya2, Yuki Narita1, Shinya Komori1, Kazuhiro Arai1,2, Hiromitsu Endo1, Sho Oyama1, Tomoaki Motoyanagi1, Takahiro Kato1, Ken Takeda3, Keiichi Jingu2
Proceedings of the Annual Meeting of JASTRO 28: 323-323, 2015.

	P-187. Evaluation of the optimal bladder volume to keep the target coverage in proton therapy for prostate cancer Hiroki Shibata, Kenichiro Tanaka, Kensuke Hayashi, Atsushi Yoshida, Akira Shimomura, Ikuyo Okumura, Hiromitsu Iwata, Hiroyuki Ogino, Jun' Etsu Mizoe Proceedings of the Annual Meeting of JASTRO 28: 324-324, 2015.

	P-188. Optimal beam arrangement for stereotactic body radiation therapy in centrally located lung tumors using volumetric-modulated arc therapy Kentaro Ishii1, Wataru Okada1, Ryo Ogino1, Kazuki Kubo1, Shun Kishimoto1, Ryuta Nakahara1, Ryu Kawamorita1, Yoshie Ishii2, Takuhito Tada3, Toshifumi Nakajima1 Proceedings of the Annual Meeting of JASTRO 28: 324-324, 2015.

	P-189. Feasibility of forward planning intensity-modulated radiation therapy for craniospinal irradiation Nobuhide Wakai1, Masayoshi Inoue1, Emiko Shimoda1, Yoko Morimoto1, Kazuya Inoue1, Masahiro Morimoto1, Youji Tabata2, Isao Asakawa1, Tetsuro Tamamoto1, Masatoshi Hasegawa1 Proceedings of the Annual Meeting of JASTRO 28: 324-324, 2015.

	P-190. Identification of the appropriate leaf margin for liver stereotactic body radiotherapy with flattening filter free beams Toshiyuki Ogata, Nishimura Hidkeki, Mayahara Hiroshi, Uehara Kazuyuki, Nakayama Masao, Tsudou Shinji, Masutani Takashi, Uezono Haruka, Harada Aya, Hashimoto Naoki, Okayama Takanobu Proceedings of the Annual Meeting of JASTRO 28: 325-325, 2015.

	P-191. Originally modified dynamic conformal arcs for stereotactic body radiotherapy of lung and liver cancers : Methods and initial clinical evaluation Kazuhiro Ohtakara1, Taniguchi Takuya2, Ohno Kohsei2, Shiraki Katsuhiko2 Proceedings of the Annual Meeting of JASTRO 28: 325-325, 2015.

	P-192. Impact of accumulative dose with deformable image registration on prostate cancer patient with 3D-CRT Sangyong Cho1, Noriyuki Kadoya2, Shin Ishii1, Tomoya Mori1, Takayuki Shibu1, Keiko Abe1, Keiichi Jingu2 Proceedings of the Annual Meeting of JASTRO 28: 325-325, 2015.

	P-193. Radiation Treatment System Guided Breast Conserving Surgery for breast cancer (Linac part) Takashi Ueda, Satoshi Yamaguchi, Takashi Takagi, Rieko Ishibashi, Yuusuke Sakurai, Yuuki Kousaka, Hitoshi Araki, Tetsutaro Miyoshi, Yoshio Ooeda Proceedings of the Annual Meeting of JASTRO 28: 326-326, 2015.

	P-194. A simple analysis of cumulative penumbra for estimating composite dose uncertainties in intensity-modulated radiotherapy Akito Saito1, Kyohei Fukata2, Motohiro Kawashima2, Yoshihiko Hoshino2, Hiromitsu Higuchi2, Jun-Ichi Saitoh2, Katsuyuki Shirai2, Takahiro Oike2, Tatsuaki Kanai2, Takashi Nakano2, Yasushi Nagata1 Proceedings of the Annual Meeting of JASTRO 28: 326-326, 2015.

	P-195. Composite planning with dynamic conformal arcs and a single static conformal beam for brain lesion close to organs at risk Makoto Ito1,2, Yoshimasa Mori2, Toshiki Kawamura2, Tuneo Ishiguti2 Proceedings of the Annual Meeting of JASTRO 28: 326-326, 2015.

	P-196. Dosimetric Comparison of Calculation Algorithms in Intensity-modulated Radiation Therapy for Lung Cancer using Flattening Filtered and Flattening FilterFree Beams Junki Murakami1, Nobuhide Wakai2, Ikeguchi Toshitaka1, Tabata Youji1, Yoshimine Tadashi1, Tamamoto Tetsuro2, Fukugami Satoshi1, Hasegawa Masatoshi2 Proceedings of the Annual Meeting of JASTRO 28: 327-327, 2015.

	P-197. How to reduce the dose for small bowel in the rectovesical pouch of a prostate cancer patient undergoing boost therapy after small pelvic radiotherapy Saori Itoh1,2, Shino Shibata1,2, Hideomi Yamashita2, Manabu Senda1, Shuichi Umezawa1, Yoshiaki Tanaka1 Proceedings of the Annual Meeting of JASTRO 28: 327-327, 2015.

	P-198. Basic investigation of respiratory monitoring using laser based optical surface scanning system Takuma Matsunaga1, Masashi Nozue2, Hiroshi Amma1, Syuhei Okabe1, Yoshiki Taneishi1 Proceedings of the Annual Meeting of JASTRO 28: 327-327, 2015.

	P-199. Experience of laser based three-dimensional body-surface scanner Focus to set up for the whole breast irradiation Shuhei Okabe1, Masashi Nozue2, Hiroshi Amma1, Takuma Matsunaga1, Yoshiki Taneishi1 Proceedings of the Annual Meeting of JASTRO 28: 328-328, 2015.

	P-200. Development of Irradiation Position Guidance System with Infrared Reflection Marker Shuuichi Shibatani, Chiemi Morimoto, Yuichi Akino, Risa Itonori, Junichi Sasaki, Shintaroh Maruoka Proceedings of the Annual Meeting of JASTRO 28: 328-328, 2015.

	P-201. An attempt to analyze respiratory movement of body surface, using VOXEAN HEV-600M Masashi Nozue1, Takuma Matsunaga2, Hiroshi Amma2, Yoshiki Taneishi2, Syuhei Okabe2 Proceedings of the Annual Meeting of JASTRO 28: 328-328, 2015.

	P-202. Experience of laser based three-dimensional body-surface scanner - Usefulness in position correction in the upper-thoracic area - Hiroshi Amma1, Masashi Nozue2, Takuma Matsunaga1, Yoshiki Taneishi1, Shuhei Okabe1 Proceedings of the Annual Meeting of JASTRO 28: 329-329, 2015.

	P-203. How much margins are needed to cover the deformity of the prostate/seminal vesicle in fiducial-marker tracking radiotherapy for prostate cancer? Yasushi Hamamoto, Noritaka Sodeoka, Hiroki Inata, Yuta Kuribayashi, Shigeki Nakayama, Tetsukazu Kiriyama Proceedings of the Annual Meeting of JASTRO 28: 329-329, 2015.

	P-204. Evaluation of respiratory movement amount in the upper abdomen by the 4D-CBCT using body indwelling as a motion index Manabu Senda1, Shino Shibata1,2, Saori Itoh1,2, Hideomi Yamashita2, Shuichi Umezawa1, Yoshiaki Tanaka1 Proceedings of the Annual Meeting of JASTRO 28: 329-329, 2015.

	P-205. Experience of laser based three-dimensional body-surface scannerUsefulness in the supraclavicular region, lower limb region Yoshiki Taneishi1, Masashi Nozue2, Hiroshi Amma1, Takuma Matsunaga1, Syuhei Okabe1 Proceedings of the Annual Meeting of JASTRO 28: 330-330, 2015.

	P-206. Radiation therapy for very elderly patients aged 80 years and older with squamous cell carcinoma of the uterine cervix Masaharu Hata1, Izumi Koike1, Etsuko Miyagi2, Reiko Numazaki2, Mikiko Asai-Sato2, Takeo Kasuya1, Hisashi Kaizu1, Yuki Mukai1, Syoko Takano1, Fumiki Hirahara2, Tomio Inoue1 Proceedings of the Annual Meeting of JASTRO 28: 330-330, 2015.

	P-207. Extended field of radiation therapy for uterine cervical cancer patients with para-aortic node metastases Hidehiro Eto1, Etsuyo Ogo1, Chikayuki Hattori1, Koichiro Muraki1, Hidetomo Himuro1, Hiroaki Suefuji2, Chiyoko Tsuji3, Kimio Ushijima4, Kenichi Jingu5, Toshi Abe1 Proceedings of the Annual Meeting of JASTRO 28: 330-330, 2015.

	P-208. High-dose-rate interstitial brachytherapy for mucinous adenocarcinoma Tadayuki Kotsuma1, Ken Yoshida2, Kouji Masui3, Hideya Yamazaki3, Tadashi Takenaka4, Mari Ueda1, Yutaka Tsujimoto1, Keiji Tatsumi5, Eiichi Tanaka1 Proceedings of the Annual Meeting of JASTRO 28: 331-331, 2015.

	P-209. Treatment outcomes of radiotherapy for small-cell carcinoma of uterine cervix Mizuki Sato1, Masaharu Hata1, Izumi Koike1, Miyagi Etsuko2, Takeo Kasuya1, Hisashi Kaizu1, Shouko Takano1, Eiko Itou1, Madoka Sugiura1, Fumiki Hirahara2, Tomio Inoue1 Proceedings of the Annual Meeting of JASTRO 28: 331-331, 2015.

	P-210. The short term treatment outcomes and dose volume histogram analysis of cervix cancers treated with image-guided brachytherapy Takashi Saito1, Kazunori Nitta1, Toshiki Ohno1, Makoto Shimizu1, Hideaki Ikoma1, Seiko Ebine1, Yoshio Tamaki1,2, Hideyuki Sakurai3 Proceedings of the Annual Meeting of JASTRO 28: 331-331, 2015.

	P-211. Small cell carcinoma of the uterine cervix shows resistance to radiotherapy ; from clinical results of 4 patients Shohei Okazaki, Shin-Ei Noda, Noriyuki Okonogi, Kazutoshi Murata, Tatsuya Ohno, Takashi Nakano Proceedings of the Annual Meeting of JASTRO 28: 332-332, 2015.

P-212. A randomized, double-blind pilot trial of hydrolyzed rice bran versus placebo for radioprotective effect on acute gastroenteritis secondary to chemoradiotherapy in patients with cervical cancer
Yoshiyuki Itoh1, Mitsuru Ikeda3, Mika Mizuno2, Fumitaka Kikkawa2, Rie Nakahara1, Seiji Kubota1, Junji Ito1, Tohru Okada1, Mariko Kawamura1, Yuka Soematu1, Shinji Naganawa1
Proceedings of the Annual Meeting of JASTRO 28: 332-332, 2015.

	P-213. Expression of XRCC4 and Ku86 could predict radiation results of uterine cervical cancer Yu Takada, Masanori Someya, Tomokazu Hasegawa, Masakazu Hori, Kensei Nakata, Koh-Ichi Sakata Proceedings of the Annual Meeting of JASTRO 28: 332-332, 2015.

	P-214. Treatment outcomes of radiation therapy with high-dose-rate intracavitary brachytherapy for recurrent cervical cancer after radical or simple hysterectomy Yuka Soematsu, Yoshiyuki Itoh, Rie Nakahara, Seiji Kubota, Junji Ito, Mariko Kawamura, Tohru Okada, Shinji Naganawa Proceedings of the Annual Meeting of JASTRO 28: 333-333, 2015.

	P-215. Intracavitary radiation therapy for early uterine cervical cancer : High dose volume and rectal point dose Masashi Chatani, Kazuo Tsuboi, Masayuki Yagi, Kanta Fujiwara, Rika Tachimoto Proceedings of the Annual Meeting of JASTRO 28: 333-333, 2015.

	P-216. Clinical experience of IMRT for postoperative gynecologic cancer patients Marie Kurokawa, Yu Kawashima, Aki Kanazawa, Gentaro Togasaki, Rintaro Harada, Miho Watanabe, Hiroki Kobayashi, Takashi Uno Proceedings of the Annual Meeting of JASTRO 28: 333-333, 2015.

	P-217. Safety and stability of implantation of gold markers into the soft bladder wall by rigid cystoscopy Kentaro Nishioka1, Satoru Maruyama2, Shinichi Shimizu1,3, Takashige Abe2, Takayuki Hashimoto4, Rumiko Kinoshita5, Norio Kato5, Keiichi Harada5, Nobuo Shinohara2, Rikiya Onimaru4, Hiroki Shirato3,4 Proceedings of the Annual Meeting of JASTRO 28: 334-334, 2015.

	P-218. Radiotherapy with or without chemotherapy for elderly locally advanced bladder cancer Tomoyuki Futami, Masahiro Sasaoka, Akimasa Nishikawa, Hiroki Miwa, Takahiro Torishima, Kouichi Nishida Proceedings of the Annual Meeting of JASTRO 28: 334-334, 2015.

	P-219. Treatment results of patients with nasopharyngeal cancer treated with radiotherapy Seiji Hashimoto1, Takafumi Toita1, Takurou Ariga1, Gorou Kasuya2, Hideki Shiina1, Hitoshi Maemoto1, Takeaki Kusada1, Yasumasa Kakinohana1, Jyouichi Heianna1, Sadayuki Murayama1 Proceedings of the Annual Meeting of JASTRO 28: 334-334, 2015.

	P-220. Treatment results of radiotherapy for oro and hypopharyngeal cancer with concomitant esophageal cancer Ryo Nishikawa1, Kenji Yoshida1, Daisuke Miyawaki1, Yasuo Ejima1, Takeaki Ishihara1, Hideki Nishimura2, Naomi Kiyota3, Miki Saito4, Naoki Otsuki4, Ken-Ichi Nibu4, Ryohei Sasaki1 Proceedings of the Annual Meeting of JASTRO 28: 335-335, 2015.

	P-221. Proton beam therapy for local recurrent of parotid gland cancer Yusuke Azami, Tatsuya Nakamura, Takashi Ono, Motohisa Suzuki, Yoshiomi Hatayama, Masato Hareyama, Yasuhiro Kikuchi Proceedings of the Annual Meeting of JASTRO 28: 335-335, 2015.

	P-222. Lymph Node Staging Based on the Neck Node Level in Patients with Hypopharyngeal Carcinoma treated with Radiation Therapy Akiko Semba1, Ryuji Murakami2, Tetsuo Saito1, Tomohiko Matsuyama1, Keiya Matsuyama1, Takamasa Toyofuku1, Natsuo Oya1 Proceedings of the Annual Meeting of JASTRO 28: 335-335, 2015.

	P-223. Overview of the BNCT clinical studies at the University of Tsukuba Teruhito Aihara1, Hitoshi Ishikawa1, Kayoko Ohnishi1, Kumada Hideaki1, Nobuyoshi Fukumitu1, Okumura Toshiyuki1, Mizumoto Masashi1, Numajiri Haruko1, Tanaka Keiichi1, Suzuki Minoru2, Hideyuki Sakurai1 Proceedings of the Annual Meeting of JASTRO 28: 336-336, 2015.

	P-224. Utility of metabolic tumor burden calculated from dual-time-point FDG-PET/CT to predict complete response of lymph node metastases of oropharyngeal or hypopharyngeal cancer. Hirofumi Kuwabara1, Akira Toriihara2, Keiko Nakagawa1, Toda Kazuma1, Tateishi Ukihide2, Ryoichi Yoshimura1 Proceedings of the Annual Meeting of JASTRO 28: 336-336, 2015.

	P-225. A study on the changes in dose distribution caused by backscatter radiation from dental alloys in external beam radiotherapy Kouji Katsura1, Satoru Utsunomiya2, Naotaka Kushima3, Eisuke Abe4, Satoshi Tanabe5, Hironori Sakai6, Takahide Hayakawa3, Takumi Yamada6, Shinichi Wada3, Hidefumi Aoyama4, Takafumi Hayashi1 Proceedings of the Annual Meeting of JASTRO 28: 336-336, 2015.

	P-226. Multicenter survey for T1 glottic cancer treated with 2.25 Gy per fraction in clinical practice Seiji Kubota1, Yoshiyuki Itoh1, Rie Nakahara1, Yoshihito Nomoto2, Shunichi Ishihara3, Takayuki Murao4, Kouji Yamakawa5, Naoki Hirasawa6, Akiko Asano7, Junji Ito1, Mariko Kawamura1, Tohru Okada1, Naganawa Shinji1 Proceedings of the Annual Meeting of JASTRO 28: 337-337, 2015.

	P-227. Clinical outcomes treated with Volumetric Modulated Arc Therapy in Optic nerve sheath meningioma Yuki Tsutsumi, Manabu Aoki, Yoshikazu Kijima, Masao Kobayashi Proceedings of the Annual Meeting of JASTRO 28: 337-337, 2015.

	P-228. Clinical Results of 2.25 Gy-fraction Radiotherapy for Early Glottic Carcinoma (T1N0M0) Hirobumi Oikawa, Ryuji Nakamura, Hisao Kakuhara, Koyo Kikuchi, Hisanori Ariga Proceedings of the Annual Meeting of JASTRO 28: 337-337, 2015.

	P-229. Examination of recurrence for advanced laryngeal carcinoma after initial treatment with RADPLAT. Koichiro Muraki1, Norimitsu Tanaka1, Hidehiro Eto1, Hiroaki Suefuji1, Chiyoko Tsuji1, Chikayuki Hattori1, Etsuyo Ogo1, Toshi Abe1, Gen Suszuki2, Hirohito Umeno3 Proceedings of the Annual Meeting of JASTRO 28: 338-338, 2015.

	P-230. Treatment outcomes of hypofractionated radiation therapy for patients with T1 glottic cancer Tomoyoshi Imamura1, Shinichiro Toyoshima1, Kuninori Nomura2, Kentaro Yamagishi2 Proceedings of the Annual Meeting of JASTRO 28: 338-338, 2015.

	P-231. Quality of life after radiotherapy for patients with head and neck cancer : Comparison of acute phase responses between 3DCRT and IMRT Koji Takenaka1, Hiromichi Ishiyama1, Shouko Komori1, Itaru Soda1, Akane Sekiguchi1, Shougo Kawakami2, Marika Nozawa1 Proceedings of the Annual Meeting of JASTRO 28: 338-338, 2015.

	P-232. 3D-CRT and boost IMRT for head and neck cancer : Initial experience Tomoharu Akai1, Satoshi Nomoto1, Takayuki Sueta2, Takashi Nakagawa2, Yasuo Kuwabara1, Kengo Yoshimitsu1 Proceedings of the Annual Meeting of JASTRO 28: 339-339, 2015.

	P-233. Comparison between iodine-131 SPECT/CT and F-18 FDG PET/CT in repeated radioactive iodine treatment for differentiated thyroid cancer Shimpei Urabe, Takayuki Kohno Proceedings of the Annual Meeting of JASTRO 28: 339-339, 2015.

	P-234. Analysis of extracranial carotid artery stenosis after accelerated hyperfractionated radiotherapy for early glottic carcinoma Hideo Kawaguchi1, Masahiko Aoki1, Katsumi Hirose1, Mariko Sato1, Hiroyoshi Akimoto1, Yoshiomi Hatayama2, Ichitarou Fujioka1, Yoshihiro Takai1 Proceedings of the Annual Meeting of JASTRO 28: 339-339, 2015.

	P-235. Interstitial brachytherapy for early stage tongue cancer : An analysis of prognostic factor of regional metastasis and local recurrence. Yuki Takeuchi1, Yuji Murakami1, Minoru Fujita2, Hideo Kawabata1, Ikuno Nishibuchi1, Yoshiko Doi1, Tomoyuki Okabe1, Masahiro Kenjo1, Tomoki Kimura1, Masaru Konishi2, Yasushi Nagata1 Proceedings of the Annual Meeting of JASTRO 28: 340-340, 2015.

	P-236. Intra-arterial chemotherapy and radiation therapy for tongue cancer Chisato Tonoiso, Hirokazu Matsuki Proceedings of the Annual Meeting of JASTRO 28: 340-340, 2015.