Affiliation: | (1) Second Department of Surgery, Hamamatsu University School of Medicine, 3600 Handa-cho, 431-31 Hamamatsu, Japan;(2) Second Department of Pathology, Hamamatsu University School of Medicine, 3600 Handa-cho, 431-31 Hamamatsu, Japan;(3) Department of Surgery, Hamana Hospital, 491-1 Umeda, 431-04 Kosai, Japan |