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 survival curves of patients. (a) Overall cumulative survival curve of patients with hepatocellular carcinoma (HCC) and portal vein tumor thrombosis (PVTT). (b) Overall survival rates stratified by PVTT classification showed no significant difference. (p = 0.364) Vp1 (n = 1): PVTT in distal portal branches, Vp2 (n = 31): PVTT in second-order portal branches, Vp3 (n = 61): PVTT in first-order portal branches, Vp4 (n = 56): PVTT in the main portal trunk.
