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.
The RFS Kaplan-Meier curves for cervical lymph node recurrence according to N Stage (A), PLN (B), and LNPR (C) risk stratification after PSM in the enrolled patients. RFS, recurrence-free survival; PSM, propensity score matching; HPLN, high positive lymph node; LPLN, low positive lymph node; HLNPR, high lymph node positive ratio; LLNPR, low lymph node positive ratio.
