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.
Overall survival according to subclasses of the Modified Recursive Partitioning Analyses (M-RPA)10,11 estimated using the Kaplan-Meier method, tumor numbers of (A) 2 to 4 and (B) 5 to 15. Abbreviations: CI = confidence interval; HR = hazard ratio; mos = months; MST = median survival time; SRS = stereotactic radiosurgery.
