| BBB | Blood–brain barrier |
| BDNF | Brain-derived neurotropic factor |
| cAMP | Cyclic adenosine monophosphate |
| CAR | Chimeric antigen receptor |
| CNS | Central nervous system |
| COX | Cyclooxygenase |
| CT | Chemotherapy |
| CTLA-4 | Cytotoxic T-lymphocyte-associated protein 4 |
| GBM | Glioblastoma |
| GM-CSF | Granulocyte-macrophage colony-stimulating factor |
| HAVCR2 | Hepatitis A virus cellular receptor 2 |
| HGG | High-grade glioma |
| HT | Hyperthermia therapy |
| IDO1 | Indoleamine 2,3-dioxygenase 1 |
| IFN | Interferon |
| IL | Interleukin |
| KD | Ketogenic diet |
| LAG-3 | Lymphocyte activation gene 3 |
| LLG | Low-grade glioma |
| MAP | Mitogen-activated protein |
| M-CSF | Macrophage colony-stimulating factor |
| MHT | Magnetic hyperthermia therapy |
| MRI | Magnetic Resonance Imaging |
| mRNA | Messenger Ribonucleic Acid |
| NF-1 | Neurofibromatosis type 1 |
| NGF | Neuronal growth factor |
| NPs | Nanoparticles |
| OCT | Optical coherence tomography |
| ONGs | Optic nerve gliomas |
| OPGs | Optic pathway gliomas |
| PBCT | Proton boron capture therapy |
| PD-1 | Programmed cell death protein 1 |
| PDGFR | Platelet-derived growth factor receptor |
| PD-L1 | Programmed death-ligand 1 |
| PDT | Photodynamic therapy |
| PFS | Progression free survival |
| PT | Proton therapy |
| rGBM | Recurrent glioblastoma |
| RGCs | Retinal ganglion cells |
| RNFL | Retinal nerve fiber layer |
| RT | Radiotherapy |
| siRNA | Small interfering RNA |
| TAMs | Tumor-associated macrophages |
| TCR | T cell receptor |
| TGF | Transforming growth factor |
| TMZ | Temozolamide |
| TNF | Tumor necrosis factor |
| TNFR | Tumor necrosis factor receptor |
| TTFields | Tumor-treating fields |
| VEGF | Vascular endothelial growth factor |
| VEPs | Visual evoked potentials |
| VLA-4 | Very late antigen 4 |
| WHO | World Health Organization |