Figure 5.
Subgroup analysis of patients with PD-L1 tumor-expression level < 1% in combination therapy versus chemotherapy alone. Forest plots of progress free survival (A) and overall survival (B).
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.