We calculated the risk score for each ccRCC patient using the following formula:Risk score=(0.11597*TNNT1)+(0.07741*SAA1)+(0.15255*IL20RB)+(0.10302*COL22A1)+(−0.11426*B3GALT5)+(−0.09019*C10orf99). The gene discussed is SAA1; the disease is nonpapillary renal cell carcinoma.