Along with TNFSF14, LAIR1, NECTIN2, TNFRSF12A, HHLA2, and TNFSF4, TNFSF15 was found to be significantly linked and adversely associated with age in ccRCC patients in TCGA and GEO datasets. Here, TNFRSF12A is linked to nonpapillary renal cell carcinoma.