^○Shunya Iseki¹, Takahiro Inoue¹, Kensuke Hamada¹, Masamichi Arao¹, Eri Tokunaga¹, Yuka Sumino¹, Hiroyuki Yoshida¹, Kanna Adachi¹, Yukari Shimada¹, Motohito Hayashi¹, Toshinao Itani¹, Jun Mimura¹, Misa Ishihara², Kimio Hashimoto² (1.Nishikobe Medical Center ., Hyogo , Japan, 2.NIshikobe Medical Center ., Hyogo , Japan)

^○Nobukatsu Kinoshita, Kazuya Akahoshi, yoshihiro Ootsuka, Yasuaki Motomura, Masaru Kubokawa, Junya Gibo, Shigeki Osada, Yuzo Shimokawa, Kayo Tokumaru, Kazuaki Miyamoto, Taizo Hosokawa, Naru Tomoeda, Ran Utsunomiya, Youko Baba (Dept. of Gastroenterology, Asolizukahospital, Iizuka, Japan)

^○takayoshi suzuki¹, jun Nakamura¹, yoko tsukune¹, tetsufumi uchida¹, hiroki yuhara¹, muneki igaashi¹, jun koike¹, masasi matusima², Tetsuya Mine¹ (1.Tokai University School of Medicine, Japan, 2.Tokai University Tokyo Hospital)

^○Yusuke Kawaguchi, Kosuke Okuwaki, Mitsuhiro Kida, Eiji Miyata, Rikiya Hasegawa, Takaaki Matsumoto, Takahito Mishima, Toru Kaneko, Shuko Tokunaga, Hiroshi Yamauchi, Shiro Miyazawa, Tomohisa Iwai, Miyoko Takezawa, Maya Watanabe, Hiroshi Imaizumi, Wasaburo Koizumi (Gastroenterology of Kitasato University Hospital,Kanagawa,Japan)

^○Kanji Okuma¹, Motoyoshi Izumi¹, Yuri Kato¹, Izumi Tsuchiya¹, Emiko Tanida¹, Yoshifumi Masui¹, Kai Yoshizawa¹, Akira Kanesaki¹, Toshihiko Shinohara², Mitsuhumi Abe³ (1.Dept. of Gastroenterology,Machida Municipal Hospital, Japan, 2.Department of Surgery,Machida Municipal Hospital, 3.Department of Pathology,Machida Municipal Hospital)