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.
PFS and OS of patients in the CTC subgroups (with 11 and 16 FU/3 mL as the cutoff threshold). (A,B) The Kaplan-Meier curve of PFS (A) and OS (B) of the entire cohort (n=98); (C,D) PFS (C) and OS (D) of the patients received >1 cycle of pemetrexed treatment (n=88). CTC, circulating tumor cell; FU, folate receptor unit; PFS, progression-free survival; OS, overall survival.
