SLC16A12 and nonpapillary renal cell carcinoma: In multivariate analysis, we found that M stages (HR = 3.063, 95%CI: 1.796–5.225, P < .001) and SLC16A12 mRNA expression (HR = 0.485, 95%CI: 0.297–0.793, P = .004) were independent prognostic factors for ccRCC.