CD27 and clear cell renal carcinoma: F13A1, FCGR2A, HLA.DOB, ILR2GHLA, DUSP2, PSME2, CD27, IFI35, LIMD2, NFKB2, IL2RB, CCL5, VSIG4, APOBEC3G, GZMA, and PSMB10 were prognosis risk factors for clear renal cell carcinoma.