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 in patients (A) with or (B) without baseline liver metastases and OS in patients (C) with or (D) without baseline liver metastases. Patients were followed for a minimum of 77 months. aDescriptive analysis. HR, hazard ratio; NR, not reached; OS, overall survival; PFS, progression-free survival.
