CD274 and uveal melanoma: For MET and PD-L1, a strong correlation was observed for uveal melanoma (UVM) (Rho > 0.6), followed by THCA, PRAD and adrenocortical carcinoma (ACC) (Rho > 0.5), as well as BLCA, THYM and lung adenocarcinoma (LUAD) (Rho > 0.4) (Figure 3B).