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.
Anti‐programmed death ligand 1 (PD‐L1) and anti‐programmed death ligand 2 (PD‐L2) expression in cancer cells. A, PD‐L1 and PD‐L2 expression was evaluated in 231 patients. B, Patients were divided into four groups based on PD‐L1 and PD‐L2 expression and Kaplan‐Meier analysis was performed
