^○NOBORU HAYASHIGUCHI, AREN ETO, TAKEAKI TOMIYAMA (kawasaki saiwai hospital kanagawa japan)

^○TAKASHI TANAKA (Department of Radiology,JCHO Yokkaichi Hadu Medical Center,Yokkaichi,Japan)

^○MAI ISHIBASHI, YOSHINORI TAKAO, AKIHIKO KAKIMI, KEIGO ARITA, YUSUKE TORADA, DAISUKE HIMOTO, SINICHIROU IZUTA, SHOHEI SASAKI, TOMOHIRO NISHIYAMA, CHISATO OTA, TAKAO ICHIDA (Osakacity University Hospital,Osaka,Japan)

^○MAI MAETANI, TAE HASEGAWA, TAKU YASUMOTO, KENJI UEMOTO, HAKKETSU KOU, KOICHI YAMADA, RYOONG-JIN OH (Department of Interventional Radiology, Miyakojima IGRT Clinic, Osaka, Japan)

^○KOTA NITAMI^1,2, KOICHI CHIDA², YASUTAKA TAKEI³, IKUO KOBAYASHI⁴, HIDENORI YOSHIDA⁵, YOSHIYUKI NOTO^1,2, MASASHI FUSE¹, TAKAHIRO FUKAYA¹, KOTARO MIYAZAWA¹, RYOHEI OHARA⁶, KAZUYA KAKUTA^2,7 (1.Niigata University Medical & Dental Hospital, Niigata, Japan, 2.Section of Radiological Examination and Technology, Course of Healthscience, Tohoku University School of Medicine , Miyagi, Japan, 3.Kawasaki University of Medical Welfare, Okayama, Japan, 4.Research Institute of Nuclear Engineering, Fukui Universuty, Fukui, Japan, 5.Niigata University of Hearyh & Welfare, Niigata, Japan, 6.Ohta Nishinouchi Hospital, Fukushima, Japan, 7.Fukushima Medical University Hospital, Fukushima, Japan)

^○KEISUKE KIKUCHI¹, Kazuma Matsumoto¹, Yoshiaki Hagihara¹, Chiemi Mitsuie¹, Masaki Takatsuki¹, Takahiro Okazaki¹, Masashi Koizumi¹, Noriko Kotoura¹, Koichiro Yamakado², Haruyuki Takaki², Hiroshi Kodama², Kaoru Kobayashi², Yasukazu Kako², Atsushi Ogasawara², Junichi Taniguchi² (1.Department of Radiological Technology, Hyogo College of Medicine, Nishinomiya, Hyogo, Japan, 2.Department of Radiology, Hyogo College of Medicine, Nishinomiya, Hyogo, Japan)

^○YUSUKE MASUBUCHI^1,2, Shigeaki Nakano¹, Koichi Chida² (1.Department of Radiology, Nasu Red Cross Hospital, Tochigi, Japan, 2.Tohoku University Graduate school of Medicine, Sendai, Japan)

^○RYOICHI ISHIKURA, KEN MATSUI (Radiation Technology Department Shimane Prefectural Central Hospital ,Shimane, Japan)