brainstem glioma cancer

glioma brainstem vector tumor dipg oncology neurology pediatric cancer mri radiotherapy chemotherapy neurosurgery prognosis symptoms diagnosis treatment brain spinal medulla pons midbrain glioblastoma biopsy resection malignant benign gliomatosis neurofibromatosis h3k27m mutation histology necrosis metastasis recurrence survival therapy clinical research adult diffuse focal intrinsic extrinsic central nervous system neuron male