IDH2 and central nervous system cancer: The expression of TP73 in IDH‐wildtype subtype was significantly higher than that in IDH‐mutant subtype in TCGA_LGG, CGGA_325 and CGGA_693 datasets of WHO grade II/III glioma (p < 0.0001; p = 0.0029; p < 0.0001, respectively) (Figure 1D).