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.
Case1; Poorly differentiated carcinoma, positive for CK7 and CK20 and focal positive for CDX-2. Case2; Squamous cell carcinoma, positive for CK7. Case3; Undifferentiated carcinoma, positive for CK7 and CDX-2 and negative for CK20.
