| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| [X]Malignant neoplasm of central nervous system, unspecified | Is a | Primary malignant neoplasm of nervous system | false | Inferred relationship | Existential restriction modifier |  |  | 
| [X]Malignant neoplasm of central nervous system, unspecified | Associated morphology | Neoplasm | false | Inferred relationship | Existential restriction modifier | 3 |  | 
| [X]Malignant neoplasm of central nervous system, unspecified | Associated morphology | Malignant neoplasm of primary, secondary, or uncertain origin | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| [X]Malignant neoplasm of central nervous system, unspecified | Pathological process | Neoplastic process | false | Inferred relationship | Existential restriction modifier |  |  | 
| [X]Malignant neoplasm of central nervous system, unspecified | Pathological process | Malignant neoplastic process | false | Inferred relationship | Existential restriction modifier |  |  | 
| [X]Malignant neoplasm of central nervous system, unspecified | Finding site | Anatomical structure | false | Inferred relationship | Existential restriction modifier | 3 |  | 
| [X]Malignant neoplasm of central nervous system, unspecified | Finding site | Structure of nervous system | false | Inferred relationship | Existential restriction modifier |  |  | 
| [X]Malignant neoplasm of central nervous system, unspecified | Is a | Malignant neoplasm of central nervous system | false | Inferred relationship | Existential restriction modifier |  |  | 
| [X]Malignant neoplasm of central nervous system, unspecified | Finding site | Structure of central nervous system | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| [X]Malignant neoplasm of central nervous system, unspecified | Associated morphology | Malignant neoplasm of primary, secondary, or uncertain origin | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| [X]Malignant neoplasm of central nervous system, unspecified | Finding site | Structure of central nervous system | false | Inferred relationship | Existential restriction modifier | 1 |  |