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 curves for overall survival according to VISTA expression on tumor infiltrating immune cells in the venous tumor thrombus (A), and tumor mass (B). p values were calculated with the log-rank test. Low negative expression, high positive expression, VISTA V-domain Ig suppressor of T cell activation
