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.
Kaplan–Meier estimates of overall survival by histopathology (CFO and NCFO), with and without presence of necrosis. Pair‐wise comparisons and P‐values are tabulated below the graphic. CFO = tumor with features classic for oligodendroglioma; NCFO = tumor with features not classic for oligodendroglioma.
