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.
Data selection process for the present study. (A) Selection process. (B) Median survival time of different groups (by year) in MAC, following selection. (C) Median survival time of different groups (by year) in NMAC, following selection. MAC, mucinous adenocarcinoma; NMAC, non-mucinous adenocarcinoma.
