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