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) Progesterone receptor (PR) immunohistochemical stain showing nuclear positivity in the minute lung nodules (PR; mouse monoclonal, Novocastra). (B) Epithelial membrane antigen (EMA) immunohistochemical stain showing membranous reactivity in the minute lung nodules (EMA; mouse monoclonal, Novocastra).
