SAA1 and nonpapillary renal cell carcinoma: Similarly, 10 differentially expressed genes (AGR3, CSF2, GAL3ST2, IGLL1, PLG, SAA1, SBSN, SOX2, WFDC13, and ZIC2) were included in a recent prognostic risk assessment tool for ccRCC with AUC of 0.99 without a validation set.91