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.
Comparison of progression-free survival (PFS) between the platinum (Pt) and non-Pt groups during the observation period of all histological types. Patients who relapsed (A) <6 months, (B) 6–12 months and (C) ≥12 months after the first-line treatment.
