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.
Selection of the cases. A total of 5,235 patients underwent endoscopic treatment of colonic tumor (polypectomy, EMR or ESD) at our hospital, during a 7-yr period from July 2005 to July 2012. Among them, we identified 113 patients with subepithelial tumor on rectum who had undergone endoscopic tumor resection. Finally, 98 rectal carcinoid cases (94 patients) were included, and the resection margin was clear in 57 cases.
