Figure 1.
Kaplan–Meier survival curves for age (A), sex (B), Karnofsky performance status (C) and extent of resection (D).
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.