CRP and renal cell carcinoma: Age (P=0.2636), gender (P=0.5930), size of the tumor (P=0.1769), ECOG PS (P=0.0778), RCC subtype (P=0.6203), the presence of grade 3 component (P=0.4325), the presence of MVI (P=0.1114) and CRP (P=0.0515) were not significantly different between the two groups.