^○Akihiro Shinji¹, Kazuyuki Ono², Kazuhiro Watanabe² (1.Medical Oncology Department, Suwa Red Cross Hosipital, Nagano, Japan, 2.Department of Gastroenterolohy, Suwa Red Cross Hospital, Nagano, Japan)

^○Masaya Satake¹, kazuhiko Yoshimatsu¹, Hajime Yokomizo¹, Yuuki Yano¹, Mao Nakayama¹, Sachiyo Okayama¹, Atsuo Matsumoto¹, Takashi Fujimoto¹, Shinichi Asaka¹, Kentaro Yamaguchi¹, Shunichi Shiozawa¹, Takeshi Shimakawa¹, Takao Katsube^1,2, Hiroyuki Kato², Yoshihiko Naritaka¹ (1.Dept. of Surgery,Tokyo Women'S Medical University,Medical Center East,Tokyo,Japan, 2.Dept. of clinical laboratory,Tokyo Women's Medical University,Medical Center East,Tokyo,Japan)

^○Seiichiro Sakisaka, Mio Kawamoto, Tomoyuki Kurashige, Fusako Kojima, Masafumi Wada, Yoshitaka Hata, Hiroyuki Fujii, Yoichiro Iboshi, Nobito Higuchi, Nao Fujimori, Motoyuki Koujima, Yorinobu Sumida, Tsuyoshi Yoshimoto, Ken Kawabe, Kunitaka Fukuizumi, Naohiko Harada, Makoto Nakamuta (Dept. of Gastroenterology, Clinical Research Institute, Kyushu Medical Institute,Fukuoka, Japan)

^○Rintaro Moroi, So Takahashi, Ryo Ichikawa, Hiroshi Nagai, Hirohiko Shinkai, Humitake Ishiyama, Kei Yaguchi, Shoichi Kayaba (Div. of Gastroenterology, Iwate Prefectural Isawa Hospital, Iwate, Japan)

^○Mitsunobu Imasato, Homin Kim, Kumiko Uji, Ryouchi Fujii, Hitoshi Fujii, Akiko Nishitani, Noriyuki Yamamura, Yasuhiko Iiboshi, Toshikazu Itoh, Masaaki Izukura (Dept. of Surgery, Rinku General Medical Center., Osaka, Japan)