“…4) Several prognostic factors have been identified in patients with malignant glioma, including age, performance status, histological grade, and extent of resection. 10,13,[20][21][22][23][24][25][30][31][32][33]38) Age is considered a strong negative factor on survival. 10,[21][22][23][24][25]32,35,38) However, age should not be a reason for exclusion from aggressive treatment, 5,27,39,45) because the few investigations of the treatment of malignant gliomas in the elderly 4,10) have not defined the prognostic factors in this subgroup.…”