Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
(A) Mammary gland tumor (T) in a FVB/N retired female breeder. Mammary gland adenocarcinomas with (B) a glandular growth pattern and (C) a papillary growth pattern. (D) A mammary gland adenoacanthoma (adenosquamous carcinoma) with prominent squamous differentiation of the glandular epithelial tumor cells (lower half of image). Hematoxylin and eosin stain; bar, 100 μm.
