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.
Skin involvement in invasive breast carcinoma. (A) Tumor cells infiltrate into the upper dermis in the absence of ulceration. These cases should not be classified as pT4b category. (B) There is an ulceration of overlying epidermis accompanied by tumor extension, corresponding to the pT4b category.
