Research Article

Efficacy of External Beam Radiation-Based Treatment plus Locoregional Therapy for Hepatocellular Carcinoma Associated with Portal Vein Tumor Thrombosis

Figure 1

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. () Vp1 (): PVTT in distal portal branches, Vp2 (): PVTT in second-order portal branches, Vp3 (): PVTT in first-order portal branches, Vp4 (): PVTT in the main portal trunk.
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