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Fig. 2 | Journal for ImmunoTherapy of Cancer

Fig. 2

From: HHLA2 in intrahepatic cholangiocarcinoma: an immune checkpoint with prognostic significance and wider expression compared with PD-L1

Fig. 2

Kaplan Meier survival curves for OS of patients with ICC according to HHLA2 and PD-L1 expression. High HHLA2 expression was significantly associated with poor overall survival (OS) in the training cohort (a) and the significance was validated in an independent validation cohort (b). PD-L1 expression on TC (c) and IC (d) both failed to stratify OS in the training cohort. The P-values were determined via log-rank test

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