TP53 and astrocytoma (excluding glioblastoma): As the database also lacks important information dictating the prognosis of GBM such as tumor location, resection status and adjuvant treatment, we turned to the TCGA LGG PanCancer Atlas dataset33 to determine whether IDH-mutant 1p/19q non-codeleted astrocytoma harboring p53R273H might progress more quickly than those bearing other p53 mutations.