Affiliation: | (1) Department of Internal Medicine, Tokyo Metropolitan Komagome Hospital, 3-18-22 Honkomagome, Bunkyo-ku, Tokyo 113-8677, Japan;(2) Department of Surgery, Tokyo Metropolitan Komagome Hospital, Tokyo, Japan;(3) Department of Pathology, Tokyo Metropolitan Komagome Hospital, Tokyo, Japan;(4) Department of Chemotherapy, Tokyo Metropolitan Komagome Hospital, Tokyo, Japan;(5) Department of Gastroenterology and Hepatology, Tokyo Medical University, Tokyo, Japan |