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 (OS) in the second-line or posterior treatment according to metastatic sites (A), differentiation (B), PLR (C), NLR (D), dNLR (E), and SII (F) at baseline. The P values were calculated using the log-rank test (two-sided).
