PDCD1 and nonpapillary renal cell carcinoma: The K–M survival analysis emphasized the prognostic significance of SOCS1, SAA1, TLR3, PRKCE, HNRNPA2B1, PDCD1, IL1R2, FCGR1A, CD36, CASP3, CARD11, and BCL2 as cancer-promoting factors of ccRCC.