Histology

 

HE squamous metaplastic carcinoma

Tissue section stained with Hematoxylin and Eosin (H&E). Mammary carcinoma with squamous metaplasia.

E-cadherin

Immunohistochemistry labeling of E-cadherin, a component of intercellular adherens junctions of epithelial cells.

Ku-80 intraductal

Immunohistochemistry labeling of Ku-80, a human-specific protein, to mark human tumor cells that were grafted into the mouse mammary gland by intraductal injection via the nipple.