^○Keisuke Baba, Hirano Hidekazu, Kadono Toru, Harada Kentaro, Shoji Hirokazu, Iwasa Satoru, Okita Natsuko, Takashima Atsuo, Kato Ken (Department of Gastrointestinal Medical Oncology, National Cancer Center Hospital, Tokyo, Japan)

^○Keitaro Doi¹, Taiehikio Tsumura^1,2, Takanobu Shimada¹, Tatsuki Ikoma^1,3, Ken Setoyama², Azusa Sakamoto², Yoshito Kimura², Natsumi Ohe², Nobutoshi Tsukuda², Kenji Sawada², Sinichiro Henmi², Yugo Sawai², Hideyuki Komekado², Masanori Asada², Ryuichi Kita², Takanori Maruo², Toru Kimura², Hirohisa Hosoki⁴, Seiichiro Kanaya⁴, Hiroyuki Marusawa² (1.Department of Medical Oncology, Osaka Red Cross Hospital, 2.Department of Gastroenterology and Hepatology, Osaka Red Cross Hospital, 3.Department of Medical Oncology, Kobe City Medical Center General Hospital, 4.Department of Gastrointestinal Surgery, Osaka Red Cross Hospital)

^○Miho Sakumura¹, Takayuki Ando¹, Katsuhisa Hirano², Takeshi Miwa², Iori Motoo¹, Shinya Kajiura¹, Yuko Ueda¹, Kohei Ogawa³, Kenichiro Tsukada⁴, Akira Ueda⁵, Naokatsu Nakada⁶, Ayumu Hosokawa⁷, Tsutomu Fujii², Ichiro Yasuda¹ (1.Third Department of Internal Medicine, University of Toyama, 2.Department of Surgery and Science, Faculty of Medicine, Academic Assembly, University of Toyama, 3.Toyama Prefectural Central Hospital, 4.Kouseiren Takaoka Hospital, 5.Toyama Red Cross Hospital, 6.Itoigawa Sogo Hospital, 7.Department of Clinical Oncology, University of Miyazaki Hospital)

^○Keitaro Shimozaki^1,2, Takeru Wakatsuki¹, Noriko Yamamoto³, Hiroki Osumi¹, Izuma Nakayama¹, Akira Oki¹, Daisuke Takahari¹, Mariko Ogura¹, Eiji Shinozaki¹, Keisho Chin¹, Kensei Yamaguchi¹ (1.Department of Gastroenterological chemotherapy, Cancer Institute Hospital of JFCR, 2.Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, 3.Department of Pathology, Cancer Institute Hospital of Japanese Foundation for Cancer Research)

^○Hiroo Katsuya¹, Haruhiko Sano¹, Takahiro Yukimoto², Youhei Harada¹, Motohiro Esaki², Naoko Aragane¹, Shinya Kimura¹ (1.Division of Hematology, Respiratory Medicine and Oncology, Department of Internal Medicine, Faculty of Medicine, Saga University, 2.Division of Gastroenterology, Department of Internal Medicine, Faculty of Medicine, Saga University)

^○Gantuya Boldbaatar^1,2, Yoshio Yamaoka³, Oyuntsetseg Khasag² (1.Mongolia Japan Hospital of Mongolian National University of Medical Sciences, 2.Department of Gastroenterology, Mongolian National University of Medical Sciences, Ulaanbaatar, Mongolia, 3.Department of Environmental and Preventive Medicine, Oita University of Medicine, Yufu, Japan)

^○Rai Shimoyama¹, Yoshinori Imamura², Kiyoaki Uryu³, Takahiro Mase⁴, Yoshiaki Fujimura⁵, Maki Hayashi⁶, Megu Ohtaki⁷, Keiko Otani⁷, Nobuaki Shinozaki^1,8, Hironobu Minami² (1.Department of General Surgery, Shonankamakura General Hospital, 2.Department of Medical Oncology and Hematology, Kobe University Graduate School of Medicine, 3.Department of Medical Oncology, Yao Tokushukai General Hospital, 4.Department of Breast Surgery, Ogaki Tokushukai Hospital, 5.Tokushukai Information System Inc., 6.Mirai Iryo Research Center Inc., 7.deCult Co., Ltd., 8.General Incorporated Association Tokushukai)

^○Yasunobu Ishizuka¹, Naoki Shinno², Masaaki Yamamoto², Hisashi Hara², Tomoyuki Otsuka¹, Minako Nishio¹, Naohiro Nishida¹, Fumie Fujisawa¹, Takeru Omori², Naotoshi Sugimoto¹, Toshiya Yagi¹, Toshihiro Kudo¹ (1.Osaka International Cancer Institution, 2.Osaka International Cancer Institution Gastrointestinal Surgery)

^○Kunihiro Tsuji, Saori Miyajima, Yosuke Kito (Department of Gastroenterology, Ishikawa Prefectural Central Hospital)