1. From the Department of Diagnostic Radiology, Michigan State University/Beaumont Hospital-Dearborn, 18101 Oakwood Blvd, Dearborn, MI 48183 (M.D.); Knoxville Comprehensive Breast Center, Knoxville, Tenn (K.F.K.); and Drs. Harris, Birkhill, Wang, Songe and Associates, Beaumont Breast Care Center–Wayne, Wayne, Mich (J.M.K.).