Status: current, Sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jan 2016. Module: SNOMED CT core
Descriptions:
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group |
| Astrocytoma of brain | Is a | False | Primary malignant astrocytoma of central nervous system | Inferred relationship | Some | |
| Astrocytoma of spinal cord | Is a | False | Primary malignant astrocytoma of central nervous system | Inferred relationship | Some | |
| Malignant astrocytoma of optic nerve | Is a | False | Primary malignant astrocytoma of central nervous system | Inferred relationship | Some | |
| Primary malignant astrocytoma of brain | Is a | True | Primary malignant astrocytoma of central nervous system | Inferred relationship | Some | |
| Primary astrocytoma of cerebral ventricle | Is a | True | Primary malignant astrocytoma of central nervous system | Inferred relationship | Some | |
| Primary astrocytoma of spinal cord (disorder) | Is a | True | Primary malignant astrocytoma of central nervous system | Inferred relationship | Some | |
| Primary malignant astrocytoma of optic nerve (disorder) | Is a | True | Primary malignant astrocytoma of central nervous system | Inferred relationship | Some |
This concept is not in any reference sets