Menu Close CONTACT US RESIDENTS’BLOG CONTACT US RESIDENTS’BLOG Epithelial lesions Fibroepithelial lesions Spindle cell lesions Papillary lesions Invasive breast carcinoma Nipple lesions PANELS BASAL CELLS This is front side content. BASAL CELLS: CALPONIN, P63, S100,CK5/6 EPITHELIAL CELLS This is front side content. CK7, ER, PR