Affiliation: | (1) Department of Surgery, Kasukabe Shuwa Hospital, 1-55 Onuma, Kasukabe, 344 Saitama, Japan;(2) Department of Medicine, Kasukabe Shuwa Hospital, 1-55 Onuma, Kasukabe, 344 Saitama, Japan;(3) First Department of Surgery, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, 113 Tokyo, Japan |