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.
ER81 expression in breast cancers and hyperplasia. (a) Negative expression of ER81 in hyperplasia of usual type (×400). (b) Positive expression of ER81 in atypical ductal hyperplasia (×400). (c) Positive expression of ER81 in ductal carcinoma in situ (×400). (d) Positive expression of ER81 in invasive ductal carcinoma (×400).
