Fig. 3From: PD-1/PD-L1 expression profiles within intrahepatic cholangiocarcinoma predict clinical outcomePrognostic implication of different expression patterns of PD-1 in CD8+ T cells in ICC patients. a, b Kaplan-Meier analysis of overall survival (OS) (a) and relapse-free survival (RFS) (b) in ICC according to the frequency of CD8+ PD-1High within CD8+ PD-1+, CD8+ PD-1Low within CD8+ PD-1+Back to article page