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 of subsequent treatments. Group A: exemestane plus everolimus (black line), group B: endocrine monotherapy (red line), group C: chemotherapy (green line). Symbols indicate censored data. The median PFS was 4.0 months in group A, 3.8 months in group B, and 6.6 months in group C. Survival rate was estimated by using the Kaplan-Meier method and compared by using the log-rank test.
