Fig. 2

Core biopsy with a small intraductal papilloma, H&E stain, 100× magnification (A). Cytokeratin AE1/AE3 Immunostain highlights invasive lobular carcinoma infiltrating adipose tissue, 100× magnification (B)
Core biopsy with a small intraductal papilloma, H&E stain, 100× magnification (A). Cytokeratin AE1/AE3 Immunostain highlights invasive lobular carcinoma infiltrating adipose tissue, 100× magnification (B)