1. Department of Pathology; Numazu City Hospital; 550 Higashishiiji Harunoki Numazu Shizuoka 410-0302 Japan
2. Department of Gastroenterology; Numazu City Hospital; 550 Higashishiiji Harunoki Numazu Shizuoka 410-0302 Japan
3. Department of Radiology; Numazu City Hospital; 550 Higashishiiji Harunoki Numazu Shizuoka 410-0302 Japan