IGFBP7 and glioma: Moreover, IGFBP7 was a prognostic biomarker of glioma and IGFBP7 was correlated with the overall survival of glioma in TCGA‐GBMLGG, CCGA‐GBMLGG, GSE4412‐GBMLGG and GSE43378‐GBMLGG four independent glioma cohorts (Figure 6C).