^○Akihiro Tamoto, Kazuo yashima, Kohei Hosoda, Sohei Yamamoto, Soichiro Kawata, Yuichiro Ikebuchi, Ryo Abe, Kazuya Matsumoto, Koichiro Kawaguchi, Kenichi Harada, Yoshikazu Murawaki (Div. of Medicine and Clinical Science, Faculty of Medicine, Tottori Univ., Yonago, Japan)

^○Kensuke Shinmura¹, Kazuo Konishi¹, Hitoshi Yoshida¹, Yutaro Kubota¹, Yuichiro Yano¹, Toshihiro Kihara¹, Masayuki Tojo¹, Kenichi Konda¹, Teppei Tagawa¹, Fumito Yanagisawa¹, Kentaro Iijima¹, Toshiko Yamochi², Masafumi Takimoto² (1.Div.Of Gastroenterology,Dep.Of Medicine, Showa University School of Medicine, Tokyo, Japan, 2.Department of Pathology, Showa University School of Medicine, Tokyo, Japan)

^○Okazaki Yoshihisa¹, Hiroshi Kashida¹, Toshiharu Sakurai¹, Yutaka Asakuma¹, Yoriaki Komeda¹, Masaki Takayama¹, Hiromasa Mine¹, Tepei Adachi¹, Rie Tanaka¹, Mitunari Yamada¹, Toshiki Okamoto¹, Eisuke Enomoto², Osamu Maenisi², Takaaki Chikugo², Masatomo Kimura², Takao Sato², Masatoshi Kudo¹ (1.Japan, 2.Japan)

^○Masaaki Noguchi, Yasunori Oono, Hiroaki Ikematsu, Tomohiro Kadota, Masaomi Imajyou, Tomoji Kato, Hiroyuki Morimoto, Shozo Osera, Yusuke Yoda, Tomonori Yano, KAZUHIRO KANEKO (Dept. of Gastroenterology, Endoscopy Division, National Cancer Center Hospital East, Kashiwa, Japan)

^○takashi murakami^1,2, Hiroyuki Mitomi³, naoto sakamoto¹, hideaki ritsuno¹, hiroya ueyama¹, kenshi matsumoto¹, Tomoyoshi Shibuya¹, Taro Osada¹, Tatsuo Ogihara¹, Takeshi Terai⁴, Takashi Yao², sumio watanabe¹ (1.Dept. of Gastroenterology, Juntendo University School of Medicine, Tokyo, Japan, 2.Department of Human Pathology, Juntendo University School of Medicine, Tokyo, Japan, 3.Department of Surgical and Molecular Pathology, Dokkyo Medical University School of Medicine, Tochigi, Japan, 4.Terai clinic, Tokyo, Japan)