In CGGA datasets, we adjusted clinical factors such as age, gender, tumor grade, race, IDH2, and X1p19q2, the multivariate Cox regression results also demonstrated that radiosensitivity-related risk score was an independent prognostic factor for LGG (CGGA693: HR:1.726, 95%CI: 1.195-2.493, p=0.004. Here, IDH2 is linked to neoplasm.