An official website of the United States government
Here's how you know
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 survival analysis of the overall survival (OS) of 79 chondrosarcoma patients. A. OS curves stratified by tumor grade only; B. OS curves stratified by IDH1/2 mutation status only; C. OS curves stratified by tumor grade and IDH1/IDH2 mutation status.