Affiliation: | 1. Department of Pathology, Keio University School of Medicine;2. Department of Diagnostic Pathology, Saiseikai Central Hospital;3. Department of Surgery, Saiseikai Central Hospital;4. Department of Internal Medicine, Saiseikai Central Hospital;5. Department of Internal Medicine, National Hospital Organization Tokyo Medical Center;6. Department of Internal Medicine, International University of Health and Welfare Mita Hospital, Tokyo, Japan |