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.
Comparison between the immunophenotypic features of the rectal tumor and the anal fistula tumor (20×). Rectal tumor; hematoxylin-eosin (A), cytokeratin 7 (C) and cytokeratin 20 (E). Anal fistula tumor; hematoxylin-eosin (B), cytokeratin 7 (D) and cytokeratin 20 (F). Both adenocarcinomas showed a CK7-/CK20+ staining pattern.
