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: Fibromas well-circumscribed and non-encapsulated tumors composed of proliferating fibroblasts arranged in interlacing bundles and embedded in variable amounts of collagen fibers. B: In some tumors there are isolated remnants of glandular epithelium, which suggests that they originate from fibroadenomas. Stained with H&E, ×4 and ×40, respectively.
