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A 57-year-old transgender woman treated with estrogen for 37 years. a Left breast mammogram shows extremely dense breast tissue containing a group of calcifications (circled). b Magnified view shows pleomorphic calcifications. c Histopathology from stereotactic biopsy shows tangential section of epithelial lined cystic ducts in fibrous stroma (H and E stain 400X). Findings are consistent with fibrocystic changes
