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.
Outcome data from selected studies
Values are presented as number (%).
NA, not available; 5-FU, 5-fluorouracil; R, resection; NR, nonresection; NS, not significant.
aAdmission for surgery or bowel obstruction. bIntestinal obstruction. cIntestinal complication.
