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.
Impact of positive surgical margins in the primary resection on survival in recurrent disease. The lines show survival curves for patients with positive surgical margins (red line) versus those with negative margins. (Log-rank test, p = 0.004).
