qPCR results suggest that TUT4 and PAPD4 are significantly upregulated in ccRCC tumors (15-fold change, p < 0.01 and 14-fold change, p < 0.05, respectively), however, expression of PAPD4 is the highest in tumors with lower grades (G1 + G2) (34-fold change, p = 0.03). This evidence concerns the gene TUT4 and nonpapillary renal cell carcinoma.