*Yoshiki Kuwatsuru¹, Yuki Amemiya², Masafumi Arai¹, Masafumi Sugimura³, Yosuke Harada³, Mayumi Yamamuro³, Saori Karasawa⁴, Munetaka Yamamoto⁴, Kohei Onoda², Ryohei Kuwatsuru^1,5 (1. Department of Radiology, Juntendo University School of Medicine, 2. FUJIFILM Corporation, 3. Hongo IT Strategies Center, Juntendo University, 4. Patient Safety Management Section, Juntendo University Hospital, 5. Department of Radiology, Juntendo University Graduate School of Medicine)