Figure 3

Histologic findings of the left breast tumor after lumpectomy. (A) Gross findings of the specimen showed an irregular shaped whitish fibronodular lesion. (B) Hematoxylin and eosin (H&E)-stained paraffin sections of the lumpectomy specimen revealed extensive micropapillary components (H&E stain, ×40). (C) Microscopic findings of the specimen showed small clusters of cells within clear stromal spaces resembling dilated vascular channels with a desmoplastic reaction (H&E stain, ×400).