^○TAKUMI OOBA¹, SHINYA ONISHI¹, MOTONORI TAKAHAGI¹, YASUHIRO HATA¹, YOSHIHIRO NODA¹, SOUJIROU MORITA¹, KENSUKE URAGUCHI², KENNICHI KOZAKURA², KOUHEI AGETA³, TAKESHI NISHIDA³ (1.The Department of Radiology, Kochi Health Science Center, Kochi, Japan, 2.The Department of Otorhinolaryngology, Kochi Health Science Center, Kochi, Japan, 3.The Department of Emergency, Kochi Health Science Center, Kochi, Japan)

^○Tetsuhiro Hirata¹, Tatsuhiko Sato¹, Yosuke Horii¹, Rei Ogawa¹, Takuya Yagi¹, Yuma Fuzawa¹, Shoichi Inagawa¹, Norihiko Yoshimura¹, Hidefumi Aoyama¹, Yuka Okubo², Takehito Mishima² (1.Department of radiology, Niigata University Medical & Dental Hospital, Niigata, Japan, 2.Division of Thoracic and Cardiovascular Surgery , Niigata University Medical & Dental Hospital, Niigata, Japan)

^○TAKAYUKI SANOMURA, AYUMI IHARA, KENGO FUJIMOTO, YASUKAGE TAKAMI, KATSUYA MITAMURA, KENICHI TANAKA, TAKASHI NORIKANE, NARUHIDE KIMURA, YOSHIHIRO NISHIYAMA (Department of Radiology, Kagawa University, Kagawa, Japan)

^○YOSUKE HORII¹, Tetsuhiro Hirata¹, Tatsuhiko Sato¹, Yuma Fuzawa¹, Shoichi Inagawa¹, Norihiko Yoshimura¹, Hidefumi Aoyama¹, Takeshi Okamoto², Ryo Onishi², Yuka Okubo², Ayako Nagasawa², Takehito Mishima² (1.Department of Radiology, Niigata University Medical & Dental Hospital, Niigata, Japan, 2.Division of Thoracic and Cardiovascular Surgery, Niigata University Medical & Denatal Hospital, Niigata, Japan)

^○TOMOKO KUGIYAMA, MASAMICHI KOGANEMARU, SHUICHI TANOUE, ASAKO KUHARA, YASUMOTO SHINJYO, NORIMITSU TANAKA, TOSHI ABE (Department of Radiology, Kurume University School of Medicine, Kurume, Japan)