SGO1 and nonpapillary renal cell carcinoma: Additionally, correlation analysis of immune cell infiltration showed that the expression of miR-23b-3p was strongly negatively correlated with the infiltration of Treg cells, Th1 cells, and Th2 cells in ccRCC but was significantly positively correlated with the infiltration of NK cells, which was consistent with the above results concerning the immune infiltration of SGOL1 (Fig. 7E).