^○Isao Numoto¹, Masakatsu Tsurusaki¹, Teruyoshi Oda¹, Yukinobu Yagyu¹, Kazunari Ishii¹, Shunsuke Oomoto², Mamoru Takenaka², Masatoshi Kudo² (1.The Department of Radiology, Kindai hospital, Osaka, Japan, 2.近畿大学病院　消化器内科)

^○Sayaka Shirai, Fumie Sugihara, Daisuke Yasui, Hidemasa Saito, Ryutaro Fujituna, Taiga Matsumoto, Tatsuo Ueda, Sinichiro Kumita (The Department of Radiology, Nippon Medical School, Tokyo, Japan)

^○Tomoya Nishiyama^1,2, Kiyoko Mukai^1,3, Kengo Ikejima^1,3, Rikako Wakai^1,3, Sayuri Matsui^1,3, Ryo Ogawa^1,3, Chie Nakao^1,3, Takahiro Sato¹, Ken Oba¹, Daisuke Yamada¹, Ryo Miyazawa¹, Minobu Kamo^1,4, Minoru Yabuta¹, Nobuo Kobayashi¹, Yasuyuki Kurihara¹ (1.Department of Radiology, St Luke's International Hospital, Tokyo, Japan, 2.Department of Radiology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan, 3.Department of Radiology, Keio University School of Medicine, Tokyo, Japan, 4.Department of Diagnostic and Interventional Radiology and Nuclear Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany)

^○Nobuyuki Homma (The Department of Vascular Surgery, Japan Community Health care Organization Sendai Hospital, Miyagi, Japan)

^○Atsushi Naganuma¹, Yutaka Iizuka², Kosuke Aihara¹, Erina Shibasaki¹, Yuhei Suzuki¹, Yuta Watanuki¹, Tomoyuki Masuda¹, Sanae Uehara¹, Hidetoshi Yasuoka¹, Takashi Hoshino¹, Tomohiro Kudo¹, Tomomi Shimizu³, Tetsushi Ogawa⁴, Hideto Oishi⁵ (1.Department of Gastroenterology, National Hospital Organization Takasaki General Medical Center, 2.Department of General Medicine, National Hospital Organization Takasaki General Medical Center, 3.Nursing Department, National Hospital Organization Takasaki General Medical Center, 4.Department of Surgery, National Hospital Organization Takasaki General Medical Center, 5.Department of Surgery, National Hospital Organization Murayama Medical Center)