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.
Prostate-cancer specific survival for men with metastatic disease at diagnosis (black solid line) and metastatic progression (red dotted line). Follow-up for survival began at diagnosis for the former and at first record of progression for the latter. P-value for comparison of groups equals 0.0003 (log-rank test).
