1. From the Division of Women’s Imaging, Department of Radiology, Temple University Hospital, 3401 N Broad St, Philadelphia, PA 19104 (A.R.G.); and Division of Breast Radiology, Department of Radiology (C.M.T.) and Cancer Prevention and Control Research Program, Biostatistics and Bioinformatics Facility, Fox Chase Cancer Center, Philadelphia, Pa (E.R.).