Fig. 2From: Tumor necrosis as a poor prognostic predictor on postoperative survival of patients with solitary small hepatocellular carcinomaTumor necrosis affecting postoperative survival of patients with small hepatocellular carcinoma (sHCC) (log-rank test). a Tumor necrosis was associated with a decrease in overall survival (OS) of patients (P < 0.0001). b Tumor necrosis was associated with a decrease in recurrence-free survival (RFS) of patients (P < 0.0001)Back to article page