Affiliation: | (1) From the Departments of Surgical Oncology, Graduate School, Tokyo Medical and Dental University, 1-5-45 Yushima Bunkyo-ku, 113-8519 Tokyo, Japan;(2) Hepato-biliary-pancreatic Surgery, Graduate School, Tokyo Medical and Dental University, 1-5-45 Yushima Bunkyo-ku, 113-8519 Tokyo, Japan |