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.
Multivariate analysis of risk factors of CRM involvement of 222 locally advanced extraperitoneal rectal cancer patients (T3-T4/N+)
CRM, circumferential resection margin; CI, confidence interval; BMI, body mass index; NSPP, non sphincter preserving proctectomy; SPP, sphincter preserving proctectomy.
