^○Masahisa Nakamura¹, Satoshi Okubo¹, Hiroki Yano¹, Kosuke Tomotake¹, Hideaki Yakushiji², Hiromutsu Sumikawa¹, Akihiro Kuriu¹ (1.Department of Diagnostic Radiology, Sakai City Medical Center, Osaka, Japan, 2.Department of Emergency Medicine, Sakai City Medical Center, Osaka, Japan)

^○Manabu Tajima, Akihiko Shiraishi, Yuki Yamashiro, Hitomi Kato, Shingo Okada, Rei Hashimoto, Youichi Muramoto, Yoshiki Kuwatsuru, Ryouhei Kuwatsuru (The Department of Radiology, Juntendo University Hospital)

^○Takuya Fukuzawa¹, Yoshinori Tsukahara¹, Masahiro Kurozumi¹, Kentaro Kobayashi¹, Marika Hirabayashi¹, Mayu Tsunoda¹, Takanori Aonuma¹, Fumihito Ichinohe¹, Kazuki Oyama¹, Takeshi Uehara², Yasunari Fujinaga¹ (1.Department of Radiology, Shinshu University School of Medicine, Matsumoto, Japan, 2.Department of Diagnostic Pathology, Shinshu University Hospital, Matsumoto, Japan)

^○Ryosuke Sakurai, Tadayoshi Kurata, Ichiro Hasegawa, Hiroaki Sato, Yuji Ogata (The Department of Diagnostic Radiology, Kawaasaki Municipal Hospital, Kanagawa, Japan)

^○Yosuke Nozawa, Yohei Munetomo, Kazuyoshi Ashida, Shunsuke Kisaki, Yasuaki Hasegawa, Rui Kanou (The Department of Radiology, University of Jikei, Tokyo, Japan)

^○Megumi Nakamura¹, Hisatoshi Araki¹, Rika Yoshida¹, Shinji Ando¹, Hajime Kitagaki¹, Aya Tanigawa², Kouji Kishimoto² (1.Department of Radiology, Faculty of Medicine, Shimane University, 2.Department of Respiratory Surgery, Faculty of Medicine, Shimane University)

^○Shuichi Monzawa, Hodaka Ohki, Nami Yuasa, Haruna Kawaguchi (Dept. of Diagnostic Radiology, Shinko Hospital)