Fig. 3From: Improving outcomes of liver resection for hepatocellular carcinoma associated with portal vein tumor thrombosis over the evolving eras of treatmentCumulative overall survival (OS) curves of patients who underwent liver resection for hepatocellular carcinoma associated with portal vein tumor thrombosis according to the two eras. The OS rate in era 2 was better than the OS rate in era 1 (p = 0.004)Back to article page