1. From the Division of Breast Imaging and Breast Interventional Radiology (T.L.H., T.U., K.N.), Clinical Research Center (T.K.), Division of Breast Surgery (S.N., K. Takahashi, Y.T., T.H., K. Tsuchiya), Division of Breast Oncology (J.W.), and Division of Pathology (T.S.), Shizuoka Cancer Center Hospital, 1007 Shimonagakubo, Nagaizumi 411-8777, Japan.