Fig. 3From: A pyroptosis-related gene signature predicts prognosis and immune microenvironment in hepatocellular carcinomaLandscape of immune cell infiltration and immune checkpoint genes in clusters 1 and 2. A The infiltration levels of 22 immune cell types in clusters 1 and 2. B Immunoscore in clusters 1 and 2. C–E The expressions of PD-1 (C), PD-L1 (D), and CTLA4 (E) in clusters 1 and 2. *p < 0.05, **p < 0.01, and ***p < 0.001Back to article page