Affiliation: | Michihiro Hayashi, Mitsuhiro Asakuma, Soichiro Tsunemi, Yoshihiro Inoue, Tetsunosuke Shimizu, Koji Komeda, Fumitoshi Hirokawa, Atsushi Takeshita, Yutaro Egashira, Nobuhiko Tanigawa, Department of General and Gastroenterological Surgery, Osaka Medical College Hospital, 2-7 Daigaku-machi, Takatsuki City, Osaka 569-8686, Japan |