Education, Experience, and Degree: 1988 School of Medicine, Sapporo Medical University, Sapporo, Japan. 1988-1993 Clinical Associate, First Department of Internal Medicine, Sapporo Medical University, Sapporo, Japan. 1994-1997 Research Associate, First Department of Internal Medicine, Sapporo Medical University, Sapporo, Japan. 1998-2000 Research Fellow, Oncology, Vanderbilt-Ingram Cancer Center, Vanderbilt University, Nashville, TN. 2000-2002 Clinical and Research Fellow, First Department of Internal Medicine, Sapporo Medical University, Sapporo, Japan. 2000-present Head physician, Department of Internal Medicine, Sapporo Shirakabadai Hospital. 2003-present Assistant Professor, First Department of Internal Medicine, Sapporo Medical University, Sapporo, Japan. Degrees: MD, Sapporo Medical University 1988. Member, Ammerican Association for Cancer Research. Member, International Society for Oncodevelopmental Biology and Medicine . Councilor, The Japanese Society of Gastroenterology. Councilor, Japan Gastoloenterological Endoscopy Society. Councilor, The Japanese Gastroenterological Association. Member, The Japanese Cancer Association. Member, The Japan Society of Clinical Oncology. Member, The Japanese Association for Metastasis Research. Member, Japan Society for Biological Therapy. Member, The Japanese Society of Internal Medicine. Member, The Japanese Society of Molecular Medicine.