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Fig. 1 | Journal for ImmunoTherapy of Cancer

Fig. 1

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

Fig. 1

PD-L1 and HHLA2 expression in ICC tissue samples. Representative micrographs of PD-L1 (a) and HHLA2 (c) expression within tumor (scale bar, 50 μm). The positive rate of PD-L1 on tumor cells and immune cells were 28.1 and 17.0%, respectively (b). HHLA2 was elevated in 49.0 and 67.7% of cases in training and validation cohort, respectively (d). No significant correlation was found between HHLA2 and PD-L1 expression (e)

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