Institution: | (1) The Department of Surgery, Mitsui Ohmuta Hospital, 1-100 Tenryoh-machi, Ohmuta, 836 Fukuoka, Japan;(2) The Ohtsu Gastrointestinal Clinic, 1-12-12 Minamifunatsu-machi, Ohmuta, 836 Fukuoka, Japan;(3) The Department of Surgery Kumamoto District Medical Center, 5-16-10 Honjoh-machi, Kumamoto, 860 Kumamoto, Japan;(4) The Department of Pathology, St. Mary's Hospital, 422 Tsubuku-honmachi, Kurume, 830 Fukuoka, Japan |