1. Department of Internal Medicine, Himeji St. Mary’s Hospital, 650 Nibuno, Himeji 670-0801, Japan
2. Department of Surgery, Himeji St. Mary’s Hospital, 650 Nibuno, Himeji 670-0801, Japan
3. Department of Radiology, Himeji St. Mary’s Hospital, 650 Nibuno, Himeji 670-0801, Japan