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.
Progression‐free survival (A) and overall survival (B) by treatment in the second analysis of the national POLA cohort. Abbreviations: OS, overall survival; PCV, procarbazine, lomustine, and vincristine; PFS, progression‐free survival; RT, radiotherapy; TMZ, temozolomide.
