In another study, PD-L1 mRNA expression was significantly lower in PCs (n = 492, TCGA set; n = 110, radical prostatectomy and biopsy samples of the authors’ series) than in bladder (n = 404, TCGA set) or renal carcinomas (n = 534, TCGA set): only the abstract was available [85]. Here, CD274 is linked to renal carcinoma.