^○SHUNSUKE KISAKI, hirokazu ashida, you matsui, youhei munetomo, takahiro higuchi, yasuaki hasegawa, hiroya ojiri (The Jikei University School of Medicine)

^○TAKAHIRO SATO¹, Tomoya Nishiyama¹, Ken Oba¹, Daisuke Yamada¹, Ryo Miyazawa¹, Hiroki Sunagawa², Minobu Kamo¹, Yasuyuki Kurihara¹ (1.Dept.of Radiology, St. Luke's International Hospital, Tokyo, Japan, 2.Dept.of Gastroenterology, St. Luke's International Hospital, Tokyo, Japan)

^○EMIMA BEKKU¹, Shinji Yamazoe², Syutaro Suda¹, Yutaka Takigawa¹, Junichi Matsui¹, Hiroyuki Yakabe², Kouichi Masuda², Yuko Kobashi², Takuji Mogami² (1.Department of Surgery, Tokyo Dental College Ichikawa General Hospital, Chiba, Japan, 2.Department of Radiology, Tokyo Dental College Ichikawa General Hospital, Chiba, Japan)

^○TOMOKI TOZAWA, Yuki Wada, Kento Hatakeyama, Satoshi Kumagai, Aoi Otaka, Masazumi Matsuda, Makoto Koga, Makoto Sugawara, Takahiro Otani, Koichi Ishiyama, Satoshi Takahashi, Manabu Hashimoto (The Department of Radiology, Akita University Graduate School of Medicine, Akita, Japan)

^○SAORI ABEMATSU¹, Yuka Matsuo¹, Ryuko Nishimura¹, Kenji Kubota² (1.Department of Radiology, Saiseikai Kawaguchi General Hospital, Kawaguchi, Japan, 2.Department of Nephrology, Saiseikai Kawaguchi General Hospital, Kawaguchi, Japan)