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 analysis of biochemical recurrence-free survival according to characteristics of surgical margins. (a) Presence of surgical margins; (b) Gleason pattern of positive surgical margins; (c) length of positive surgical margins; and (d) number of positive surgical margins. PSM: positive surgical margin; NSM: negative surgical margin; BCR: biochemical recurrence.
