Fig. 2From: Improving outcomes of liver resection for hepatocellular carcinoma associated with portal vein tumor thrombosis over the evolving eras of treatmentCumulative recurrence-free survival (RFS) curves of patients who underwent liver resection for hepatocellular carcinoma associated with portal vein tumor thrombosis according to the two eras. The comparison of RFS curves between the two eras had no significant difference (p = 0.317)Back to article page