Affiliation: | (1) Department of Gastroenterological Surgery, Osaka University Graduate School of Medicine, 2-2 Yamada-oka, Suita Osaka, 565-0871, Japan;(2) Department of Pathology, Osaka University Graduate School of Medicine, 2-2 Yamada-oka, Suita Osaka, 565-0871, Japan;(3) Department of Surgery, Japan Labor Health and Welfare Organization, Osaka Rosai Hospital, 1179-3 Nagasonecyou, Kitaku, Sakai, Osaka, Japan |