| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Large cell medulloblastoma | Is a | False | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some |  | 
| Papillary ependymoma | Is a | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some |  | 
| Polar spongioblastoma | Is a | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some |  | 
| Cerebellar sarcoma | Is a | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some |  | 
| Ependymoma, anaplastic | Is a | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some |  | 
| Mixed glioma | Is a | False | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some |  | 
| Medullomyoblastoma | Is a | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some |  | 
| Gliomatosis cerebri | Is a | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some |  | 
| Oligodendroglioma, anaplastic | Is a | False | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some |  | 
| Desmoplastic medulloblastoma | Is a | False | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some |  | 
| Gliosarcoma | Is a | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some |  | 
| astrocytome | Is a | False | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some |  | 
| Primitive neuroectodermal tumor | Is a | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some |  | 
| Giant cell glioblastoma | Is a | False | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some |  | 
| Astroblastoma | Is a | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some |  | 
| Protoplasmic astrocytoma | Is a | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some |  | 
| Astrocytoma, anaplastic | Is a | False | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some |  | 
| Ependymoma, no International Classification of Diseases for Oncology subtype | Is a | False | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some |  | 
| glioblastome | Is a | False | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some |  | 
| Fibrillary astrocytoma | Is a | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some |  | 
| oligodendrogliome | Is a | False | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some |  | 
| Gemistocytic astrocytoma | Is a | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some |  | 
| Pleomorphic xanthoastrocytoma | Is a | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some |  | 
| Oligodendroblastoma | Is a | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some |  | 
| Medulloblastoma, no International Classification of Diseases for Oncology subtype | Is a | False | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some |  | 
| Choroid plexus carcinoma | Is a | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some |  | 
| Malignant astrocytoma of optic nerve | Associated morphology | False | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some | 1 | 
| Malignant glioma of spinal cord | Associated morphology | False | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some | 1 | 
| Malignant optic glioma (disorder) | Associated morphology | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some | 1 | 
| Glioblastoma multiforme of spinal cord | Associated morphology | False | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some | 2 | 
| Malignant astrocytoma of optic nerve | Associated morphology | False | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some | 1 | 
| Malignant optic glioma (disorder) | Associated morphology | False | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some | 1 | 
| Malignant glioma of spinal cord | Associated morphology | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some | 1 | 
| Malignant optic glioma (disorder) | Associated morphology | False | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some | 2 | 
| Malignant optic glioma of adulthood | Associated morphology | False | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some | 3 | 
| Malignant glioma of cerebellum (disorder) | Associated morphology | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some | 1 | 
| Malignant glioma of central nervous system | Associated morphology | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some | 1 | 
| Embryonal central nervous system neoplasm with rhabdoid feature (morphologic abnormality) | Is a | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some |  | 
| Malignant optic glioma of adulthood | Associated morphology | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some | 1 | 
| Primary malignant glioma of frontal lobe | Associated morphology | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some | 1 | 
| Primary malignant glioma of occipital lobe (disorder) | Associated morphology | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some | 1 | 
| Primary malignant glioma of parietal lobe (disorder) | Associated morphology | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some | 1 | 
| Primary malignant glioma of temporal lobe (disorder) | Associated morphology | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some | 1 | 
| Anaplastic glioma of brain (disorder) | Associated morphology | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some | 1 | 
| Malignant glioma of brainstem (disorder) | Associated morphology | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some | 1 | 
| Pilomyxoid astrocytoma (morphologic abnormality) | Is a | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some |  | 
| Malignant glioma of brain | Associated morphology | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some | 1 | 
| Papillary tumour of the pineal region | Is a | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some |  | 
| High grade glioma (morphologic abnormality) | Is a | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some |  | 
| Diffuse midline glioma, point mutation K27M in histone H3 (morphologic abnormality) | Is a | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some |  | 
| RELA fusion-positive ependymoma (morphologic abnormality) | Is a | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some |  | 
| Embryonal neoplasm with multilayered rosettes (morphologic abnormality) | Is a | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some |  | 
| Malignant glioma of cerebrum (disorder) | Associated morphology | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some | 1 | 
| Malignant glioma of hypothalamus (disorder) | Associated morphology | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some | 1 | 
| Malignant glioma of eye (disorder) | Associated morphology | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some | 1 | 
| Low grade malignant glioma of brain (disorder) | Associated morphology | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some | 1 | 
| Grade 4 malignant glioma of brain | Associated morphology | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some | 1 | 
| Medulloblastoma | Is a | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some |  | 
| Oligodendroglioma | Is a | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some |  | 
| Astrocytoma | Is a | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some |  | 
| Diffuse intrinsic pontine glioma | Is a | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some |  | 
| Primary malignant glioma of brain (disorder) | Associated morphology | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some | 1 | 
| Primary malignant glioma of spinal cord | Associated morphology | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some | 1 | 
| Primary malignant glioma of hypothalamus | Associated morphology | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some | 1 | 
| Primary malignant glioma of cerebellum | Associated morphology | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some | 1 | 
| Primary malignant glioma of eye | Associated morphology | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some | 1 | 
| Primary malignant glioma of cerebrum | Associated morphology | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some | 1 | 
| Primary malignant glioma of central nervous system (disorder) | Associated morphology | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some | 1 | 
| Primary malignant optic glioma of adulthood (disorder) | Associated morphology | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some | 1 | 
| Primary malignant glioma of brainstem (disorder) | Associated morphology | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some | 1 | 
| Primary anaplastic glioma of brain (disorder) | Associated morphology | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some | 1 | 
| Primary malignant optic glioma | Associated morphology | True | Glioma, malignant (morphologic abnormality) | Inferred relationship | Some | 1 |