Pathology Image Detail

Caption	Mammary gland: the mammary gland is expanded by a large, nodular, unencapsulated, densely cellular neoplasm with a prominent central area of necrosis and cavitation. Most of the neoplasm has an epithelial phenotype. However, large portions of the neoplasm (?40%) show areas of epithelial to mesenchymal transition (upper right portions of the neoplasm).
Description	Adenocarcinoma, solid, glandular, with epithelial to mesenchymal transition, mammary gland
Age at Necropsy	240 days
Contributor	Ward JM (J:107304)
Pathologist	Mikaelian I (J:94320)
Method	H&E

Tumor Synonyms: Adenocarcinoma, solid, glandular, with 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.