Moreover, multivariate assays suggested that SOX6 expression (HR = 0.75, p < 0.05) and SOX12 expression (HR = 1.10, p < 0.05) of patients with ccRCC were independently associated with shorter OS (Figures 4(a) and 4(b)). This evidence concerns the gene SOX12 and nonpapillary renal cell carcinoma.