Pathology Image Detail

Caption	Mammary gland: the mammary gland is expanded and replaced by a nodular, encapsulated, densely cellular, multilobular neoplasm. This neoplasm is composed of large lobules separated by areas of early epithelial to mesenchymal transition (arrowheads). Areas of necrosis (*) are scattered throughout the solid areas.
Description	Adenocarcinoma, glandular, solid, with early epithelial to mesenchymal transition, mammary gland
Age at Necropsy	179 days
Contributor	Churchill GA (J:112750)
Pathologist	Mikaelian I (J:94320)
Method	H&E

Tumor Synonyms: Adenocarcinoma, glandular, solid, with early epithelial to mesenchymal transition, mammary gland

General Note: Hemizygous mice. The genetic background of these mice was FVB/N. The transgene was originally generated on a (C57BL/6 x SJL)F2 background.