Fig. 2
From: The efficacy of surgery in advanced hepatocellular carcinoma: a cohort study
Kaplan-Meier curve of overall survival and cancer-specific survival of patients. a The overall survival of patients with liver resection and non-liver resection treatment. b The cancer-specific survival of patients with liver resection and non-liver resection treatment. c The overall survival of patients with liver resection alone and liver resection combined with lymph node removal treatment. d The cancer-specific survival of patients with liver resection alone and liver resection combined with lymph node removal treatment; the shaded area indicates the 95% confidence interval