Fig. 2From: Clinical characteristics, prognosis, and surgical outcomes of patients with non-HBV and non-HCV related hepatocellular carcinoma: three-decade observational studyKaplan–Meier survival analysis according to background of hepatocellular carcinoma. a Overall survival. b Recurrence-free survival. HBV, hepatitis B virus; HCV, hepatitis C virus; non-B non-C, non-HBV, non-HCVBack to article page