^○MASAMICHI TAKAHASHI, TOMOKI WADA, NOBUHIKO AKAMATSU, GO KAWAI, RIE GOTOH, YUJIRO MATSUOKA (Department of Radiology, Tokyo Metropolitan Bokutoh Hospital, Tokyo, Japan)

^○ATSUSHI SAIGA, YOSHIHIRO KUBOTA, JUN HASHIBA, AKIRA AKUTSU, TAKASHI TAKEUCHI, SHOMA YAMAUCHI, SATOSHI TSUCHIYA, TAKURO HORIKOSHI, TAKASHI UNO (Department of Radiology, Chiba University Hospital, Chiba City, Japan)

^○HIROYASU FUJIWARA¹, FUMIYO HIGAKI¹, RISA HABARA¹, HIROYUKI UEDA¹, SUSUMU KANAZAWA² (1.Okayama City Hospital, 2.Okayama University Hospital, Okayama city, Japan)

^○SHINYA ONISHI, MOTONORI TAKAHAGI, TAKUMI OBA, YASUHIRO HATA, YOSHIHIRO NODA, KATSUHIDE KOJIMA, AKIHITO NISHIOKA, SATOSHI MATSUSAKA, SOJIRO MORITA (Kochi Health Sciences Center, Kochi, Japan)

^○noriaki sakamoto¹, Kazuhiro Hayashi¹, Tetsu Nakamura¹, Mamoru Hase¹, Hiroaki Nakamura², Manabu Takamatsu³, Kunihiko Kaneda³ (1.Department of Radiology, Kakogawa Central City Hosipital, 2.Department of Cardiology, Kakogawa Central City Hosipital, 3.Department of Digestive surgery, Kakogawa Central City Hosipital)