RBX2 had a closely tie with the expression level of PD-L1 (CD274) in BLCA, COAD, HNSC, KIRC, LAML, LIHC, OV, PCPG, PRAD, SKCM, TGCT and THCA (Figure 9A). Here, CD274 is linked to bladder transitional cell carcinoma.