^○Hiroaki Ishii (Department of Radiology, Okayama Redcross Hospital)

^○Kengo Fujimoto, Takayuki Sanomura, Ayumi Ihara, Yasukage Takami, Katsuya Mitamura, Kenichi Tanaka, Naruhide Kimura, Yoshihiro Nishiyama (Dept. Radiology, Kagawa University school of Medicine)

^○Yuji Koretsune¹, Tetsuro Nakazawa², Miyabi Kagita², Miho Yamakawa², Tomoko Gyobu², Yuki Kunitomi², Mayuko Koda², Masayuki Murata², Seiichi Kawamoto² (1.国立がん研究センター中央病院　放射線診断科, 2.Osaka General Medical Center)

^○Seiji Iwamoto, Hajime Oonishi, Yukari Kida, Junichiro Hiraoka, Tomoki Matsushita, Yuta Arai, Moriaki Yamanaka, Masafumi Harada (Department of Diagnostic Radiology, Tokushima University Hospital, Tokushima, Japan)

^○Shota Yamamoto¹, Tomohiro Matsumoto¹, Shunsuke Kamei¹, Kazunobu Hashida¹, Kosuke Tomita¹, Satoshi Suda¹, Yuki Natsuyama¹, Yutaka Imai¹, Takuji Yamagami^1,2, Terumitsu Hasebe¹ (1.Department of Radiology, Tokai University Hachioji Hospital, Tokyo, Japan, 2.Department of Radiology, Kochi University, Kochi Medical School, Kochi, Japan)