CD274 and cancer: Results showed that SLC25A8 was significantly positively associated with PD-1/PD-L1/CTLA4 expression in diverse cancer types, such as BRCA, COAD, HNSC, KIRC, KIRP, LGG, LIHC, TGCT, STAD, and UVM (Figures 6(d)–6(f)).