Figure 5. Expression of PD-L1 in cancer tissues and adjacent tissues of HCC patients. (A) The level of PD-L1 in hepatocellular carcinoma and adjacent tissues; (B) Relationship between the levels of PD-L1 and differentiation of hepatocellular carcinoma; (C) Repressive images of PD-L1 expression in hepatocellular carcinoma and adjacent tissues.