ST3GAL1 and nonpapillary renal cell carcinoma: Overall survival according to ST3GAL-1 expression in all ccRCC patients (a); overall survival according to ST3GAL-1 expression in localized ccRCC patients (b); disease free survival according to ST3GAL-1 expression in localized ccRCC patients (c); p-value was calculated by Log rank test, <0.05 was regarded as statistically significant