^○Takeshi Matsumoto¹, Toshihiro Tanaka¹, Hideyuki Nishiofuku¹, Takeshi Inoue², Kengo Konishi², Norihiro Morita², Takeshi Sato¹, Tetsuya Masada¹, Shota Tatsumoto¹, Shohei Toyoda¹, Natsuhiko Saito¹, Yuto Chanoki¹, Kimihiko Kichikawa¹ (1.Nara Medical University of Nara, Japan, 2.Nara Medical University of Nara, Japan)

^○Yukichi Tanahashi¹, Hiroshi Kawada¹, Shoma Nagata¹, Tomohiro Ando¹, Nobuyuki Kawai¹, Yoshifumi Noda¹, Masayuki Matsuo¹, Satoshi Goshima^1,2 (1.Department of Radiology, Gifu University School of Medicine, Gifu, Japan, 2.Department of Diagnostic Radiology and Nuclear Medicine, Hamamatsu University School of Medicine, Shizuoka, Japan)

^○Daisuke Abo¹, Satonori Tsuneta¹, Noriko Manabe¹, Takeshi Soyama¹, Ryo Morita¹, Yuki Yoshino¹, Naoya Kinota², Kohsuke Kudo² (1.Department of Diagnostic and Interventional Radiology, Hokkaido University Hospital, 2.Department of Diagnostic Imaging, Hokkaido University Graduate School Medicine, Sapporo, Japan)

^○Taiga Matsumoto¹, Daisuke Yasui¹, Fumie Sugihara¹, Hidemasa Saito¹, Hiroshi Yoshida², Masato Yoshioka², Shinnitiro Kumita¹ (1.Department of Radiology, Nippon Medical School Hospital, Tokyo, Japan, 2.Department of Surgery, Nippon medical school, Tokyo, Japan)

^○Daiju Ueda¹, Akira Yamamoto¹, Yutaka Katayama², Akitoshi Shimazaki¹, Takashi Honjo¹, Ken Kageyama¹, Yukio Miki¹ (1.Department of Diagnostic and Interventional Radiology, Osaka City University, Graduate School of Medicine, Osaka, Japan, 2.Department of Radiology, Osaka City University Hospital, Osaka, Japan)