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Figure 5b. (a) Mediolateral oblique mammogram reveals heterogeneously dense breast tissue. (b) Sagittal fat-suppressed contrast-enhanced three-dimensional fast spoiled gradient-recalled-echo MR image (9.3/2.2) demonstrates two areas (arrows) of ill-defined enhancement. At mastectomy, approximately 5-cm multifocal infiltrating lobular carcinoma was identified.