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A 46-year-old woman with diffuse large B-cell lymphoma. (A) Both craniocaudal and mediolateral oblique mammograms are negative. (B) Ultrasonography scans of the right breast show multiple circumscribed oval hypoechoic masses (arrows). (C) Enhanced breast computed tomography (CT) image shows enlargement of right breast with multiple small enhancing foci (arrowheads). (D) Enhanced breast CT image obtained after chemotherapy shows the disappearance of enhancing foci in the right breast.
