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.
a. and Kaplan-Meier survival analysis b. for patients with HCC at eighteen SEER sites in 1983-1992 (black), 1993-2002 (blue) and 2003-2012 (orange) respectively according to age group (total and ages 0–39, 40–54, 55–69, and 70+ years).
