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.
Representative images of the fistula and scar after Over-The-Scope-Clipping (OTSC) with argon plasma coagulation (APC). (A) The size of the fistula is decreased. (B) The fistula has healed, with a clear scar. (C) Narrow-band imaging of (B).
