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.
Median PFS: Not reached.
Mean PFS (limited to the longest survival time, if censored): 67.1 months (95% confidence interval: 58.1-76.0 months).
