Fig. 2From: Prognostic role of PD-L1 for HCC patients after potentially curative resection: a meta-analysisForest plot for the prognostic role of PD-L1 in overall survival (a) and recurrence-free survival (b) after potential curative hepatectomy. CI confidence interval, HR hazard ratio, PD-L1 programmed death ligand 1Back to article page