^○RISA KANESHIMA¹, MARIE OSAWA¹, GOU SHIROTA¹, MASAAKI AKAHANE¹, NAOYA SAKAMOTO², AIKO SUZUKI¹, YAYOI HAYAKAWA¹, MIZUHO MURAKAMI¹, MASASHI KUSAKABE¹, ICHIROU SHIROUZU¹, HARUYASU YAMADA¹ (1.NTT Medical Center Tokyo,Tokyo,Japan, 2.Department of Radiology, International University of Health and Welfare,Mita Hospital)

^○YUDAI NAKAI¹, NAOKI OKURA¹, JIRO SATO¹, HIDEMASA TAKAO¹, HARUTO SUGAWARA¹, RYO KUROKAWA¹, MASAFUMI KAIUME¹, ARAO MURAKAMI¹, SAORI KOSHINO¹, HARUFUMI MAKI², AKIHIKO ICHIDA², JUNICHI KANEKO², NOBUHISA AKAMATSU², KIYOSHI HASEGAWA², OSAMU ABE¹ (1.Department of Radiology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan, 2.Hepato-Biliary-Pancreatic Surgery Division, Department of Surgery, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan)

^○RYUSEI ZAKO, Masayoshi Yamamoto, Eri Hoshino, Shohei Inui, Akiyoshi Suzuki, Toshimasa Sugawara, Tarou Yokoyama, Hiroshi Kondo, Joe Toda, Hiroshi Oba (Departments of Radiology, Teikyo University School of Medicine, Tokyo, Japan)

^○TOMOYO FUJI¹, AKIRA NAITO², TAKASHI MORIYA³, SHINTAROU YAMASAKI³, KEIGO CHOSA⁴ (1.Department of Radiology, Chugoku Rosai Hospital, Hiroshima, Japan, 2.Makidono-Jun Memorial Hospital, Hiroshima, Japan, 3.Departmento of Internal Medicine, Hiroshima, Japan, 4.Department of Diagnostic Radiology, Hiroshima Medical University, Hiroshima, Japan)

^○SACHIKO IWANO¹, MASAAKI HIRATA¹, SEIJI NAKAMURA¹, AKIHISA AKAMUNE¹, YOSHINORI TANAKA², RYOUHEI WATANABE³ (1.The Department of Radiology, Matsuyama Shimin Hospital, Ehime, Japan, 2.The Department of Gastroenterology, Matsuyama Shimin Hospital, Ehime, Japan, 3.The Department of Surgery, Matsuyama Shimin Hospital, Ehime, Japan)

^○HIROKI YONEZAWA¹, ATSUSHI JOGO¹, AKIRA YAMAMOTO¹, TAKEHITO NOTA¹, KAZUKI MURAI¹, SATOYUKI OGAWA¹, MARIKO NAKANO¹, KEN KAGEYAMA¹, SHINICHI HAMAMOTO¹, ETSUJI SOHGAWA¹, MASAO HAMURO², TOSHIO KAMINOU³, YUKIO MIKI¹ (1.Diagnostic and Interventional Radiology, Osaka City University Graduate School of Medicine, Osaka, Japan, 2.Radiology, Izumiotsu Municipal Hospital, 3.Tsukazaki Hospital, Department of Radiology)