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MLO and CC mammogram views of the right breast demonstrate an asymmetric density in the lower central part of the breast measuring 14 mm (arrow). This was given a mammographic grading of M4 (BI-RADS 4B). There is also a long-standing opacity in the upper outer quadrant of the right breast corresponding to the known fibroadenoma (circle). CC, craniocaudal; MLO, mediolateral oblique.
