MACROSCOPIC DESCRIPTION: "Right breast core biopsy 12 o'clock 1cm from nipple": Four white and yellow fibrofatty breast core biopsies 9mm, 10mm, 12mm and 13mm. A1.

MICROSCOPIC DESCRIPTION: Sections show fibrofatty breast core biopsies. The cores show a densely collagenous lesion with a distinct border. Set within the collagen are scattered epithelial spaces, some of which demonstrate usual ductal hyperplasia and apocrine metaplasia. There is no evidence of in situ of invasive malignancy.

DIAGNOSIS: Right breast nodule, 12 o'clock, 1cm: Fibroadenoma.

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