An official website of the United States government
Here's how you know
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 of overall survival. Lentinan+: The group that received chemo-immunotherapy with lentinan (n = 31); Lentinan-: The group that received S-1-based chemotherapy alone (n = 37). OS: Overall survival.