Kumiko TANAKA¹, Takashige TSUJI¹, Yukiko SAKAI², Aya TAJIMA² (1.Breast Surgery, Shonan Kamakura General Hospital, 2.Inspection Unit, Shonan Kamakura General Hospital)

Hideyuki HASHIMOTO¹, Rikiya NAKAMURA², Jissei YOKOMIZO³ (1.Breast Clinic, Chiba Foundation for Health Promotion and Disease Prevention, 2.Breast Surgery, Chiba Cancer Center, 3.Breast Clinic, Kawakami Breast Clinic)

Nobue KAWAUCHI, Hiroko TSUNODA, Kazuyo YAGISHITA, Yuki MATSUOKA, Eriko KAWAKUBO, Aya HIRABAYASHI, Yukari MOROFUSHI (Department of Radiology, St. Luke’s International Hospital)

Norikazu OBANE (Ultrasound Examination Center, Sumitomo Hospital)