^○Ryota Hyodo¹, Keichiro Yamada¹, Ryota Horiguchi¹, Jun Ito¹, Masaya Matsushima¹, Tomohiro Komada¹, Takayuki Owaki², Yasuo Takehara¹, Shinji Naganawa¹ (1.Department of Radiology, University of Nagoya, Nagoya, Japan, 2.Department of Urology, University of Nagoya, Nagoya, Japan)

^○Sakiko Kageyama¹, Hideki Ota¹, Kentaro Takanami¹, Nobuhiro Yaoita², Kei Takase¹ (1.Department of Diagnostic Radiology, Tohoku University Hospital, Sendai, Japan, 2.Department of Cardiovascular Medicine, Tohoku University Hospital, Sendai, Japan)

^○Naohiro Sudo¹, Jitsuro Tsukada¹, Daisuke Obinata², Misaki Shoji¹, Takahiro Miyauchi¹, Kazu Shibutani¹, Kenchiro Tago¹, Mariko Mizuno¹, Takayuki Matsumoto¹, Yusuke Toda¹, Kenji Ibukuro¹, Masahiro Okada¹ (1.Department of Radiology, Nihon university school of medicine, Tokyo Japan, 2.Department of Urology, Nihon university school of medicine, Tokyo Japan)

^○Hirokazu Ashida¹, Katsuhiro Ishida², Yosuke Nozawa¹, Youhei Munetomo¹, Rui Kano¹, Shunsuke Kisaki¹, Yasuaki Hasegaw¹, Hiroya Ojiri¹ (1.The Jikei university school of medicine, radiology department, Tokyo, Japan, 2.The Jikei university school of medicine, plastic surgery, Tokyo, Japan)

^○Shinji Yamazoe¹, Koichi Masuda¹, Shiho Hashimoto², Emima Bekku^1,3, Takayuki Suzuki¹, Yuko Kobashi¹, Kiyoshi Takamatsu², Takuji Mogami¹ (1.Tokyo Dental College Ichikawa General Hospital, Chiba, Japan, 2.東京歯科大学市川総合病院・産婦人科, 3.東京歯科大学市川総合病院・外科)

^○Tomoki Tozawa¹, Koichi Ishiyama¹, Kento Hatakeyama¹, Satoshi Kumagai¹, Aoi Otaka¹, Masazumi Matsuda¹, Makoto Sugawara¹, Makoto Koga¹, Takahiro Otani¹, Satoshi Takahashi¹, Yusuke Sato², Satoru Motoyama², Manabu Hashimoto¹ (1.The Department of Radiology, Akita University Hospital, Akita, Japan, 2.The Department of Esophageal Surgery, Akita University Hospital, Akita, Japan)

^○Kazuhiko Morikawa¹, Shinsuke Takenaga¹, Jun Hasumi¹, Asami Kano¹, Satoshi Tatsuno¹, Kenkichi Michimoto² (1.The Department of Radiology, The Jikei University Katsushika Medical Center, Tokyo, Japan, 2.The Department of Radiology, Fuji City General Hospital, Fuji, Shizuoka)

^○Masayoshi Yamamoto, Ryuse Zako, Akiyoshi Suzuki, Kotaro Yamamoto, Takuya Hara, Suguru Hitomi, Mizuki Ozawa, Hiroshi Kondo, Hiroshi Oba (Department of Radiology, Teikyo University school of medicine, Tokyo, Japan)

^○Kosuke Tomita, Tomohiro Matsumoto, Shunsuke Kamei, Shota Yamamoto, Kazunobu Hashida, Satoshi Suda, Yuki Natsuyama, Terumitsu Hasebe (Depertment of Rdiology, Tokai University Hachioji Hospital, Tokai University School of Medicine, Tokyo, Japan)