1. Department of Clinical Oncology, Toho University Graduate School of Medicine, Tokyo, Japan
2. Department of Internal Medicine (Omori), Division of Rheumatology, Toho University School of Medicine, Tokyo, Japan
3. Department of Surgery, Division of Gastroenterological Surgery, Toho University Medical Center, Omori Hospital, Tokyo, Japan
4. Department of Surgery, Division of Breast and Endocrine Surgery, Toho University Medical Center, Omori Hospital, Tokyo, Japan
5. Department of Surgical Pathology, Toho University Medical Center, Omori Hospital, Tokyo, Japan