From the Department of Breast Imaging, Hospital Israelita Albert Einstein, Av. Albert Einstein, 627/701-Morumbi, São Paulo, SP 04003-041, Brazil (M.C.V.L., G.M., L.F.D., E.E.F.F., A.L.P.C., I.Y., A.C.S.R.); and Washington University School of Medicine, St. Louis, Mo (M.V.L.).