^○Toru Higaki, Hidenori Mitani, Keigo Chosa, Yuko Nakamura, Fuminari Tatsugami, Yasutaka Baba, Kazuo Awai (Hiroshima University, Hiroshima, Japan)

^○Takatoshi Kubo¹, Miyuki Sone², Yasuaki Arai², Osamu Abe¹ (1.Department of Radiology, The University of Tokyo, Tokyo, Japan, 2.Department of Diagnostic Radiology, National Cancer Center Hospital, Tokyo, Japan)

^○Masaaki Hirata¹, SACHIKO IWANO¹, SEIJI NAKAMURA¹, AKIHISA AKAMUNE¹, RYOUHEI WATANABE² (1.The Department of Radiology, Matsuyama Shimin Hospital, Ehime, Japan, 2.The Department of Surgery, Matsuyama Shimin Hospital, Ehime, Japan)

^○Takao Hiraki¹, Tetsushi Kamegawa², Takayuki Matsuno², Jun Sakurai³, Toshiyuki Komaki¹, Susumu Kanazawa¹ (1.Department of Radiology, Okayama University Medical School, 2.Fuculty of Engineering, Okayama Univerisity, 3.Center for Innovative Clinical Medicine, Okayama University Hospital)