| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Malignant neoplasm of heart, thymus and mediastinum NOS | Is a | Malignant neoplasm of other site of heart, thymus and mediastinum | false | Inferred relationship | Existential restriction modifier |  |  | 
| Malignant neoplasm of heart, thymus and mediastinum NOS | Finding site | Structure of thoracic viscus | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Malignant neoplasm of heart, thymus and mediastinum NOS | Finding site | Respiratory organ | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Malignant neoplasm of heart, thymus and mediastinum NOS | Pathological process | Malignant neoplastic process | false | Inferred relationship | Existential restriction modifier |  |  | 
| Malignant neoplasm of heart, thymus and mediastinum NOS | Finding site | Mediastinal structure | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Malignant neoplasm of heart, thymus and mediastinum NOS | Finding site | Intrathoracic organ | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Malignant neoplasm of heart, thymus and mediastinum NOS | Associated morphology | Malignant neoplasm of primary, secondary, or uncertain origin | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Malignant neoplasm of heart, thymus and mediastinum NOS | Finding site | Ill-defined topographic site | false | Inferred relationship | Existential restriction modifier |  |  | 
| Malignant neoplasm of heart, thymus and mediastinum NOS | Pathological process | Neoplastic process | false | Inferred relationship | Existential restriction modifier |  |  | 
| Malignant neoplasm of heart, thymus and mediastinum NOS | Finding site | Structure of respiratory system | false | Inferred relationship | Existential restriction modifier |  |  | 
| Malignant neoplasm of heart, thymus and mediastinum NOS | Finding site | Thoracic structure | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Malignant neoplasm of heart, thymus and mediastinum NOS | Associated morphology | Neoplasm | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Malignant neoplasm of heart, thymus and mediastinum NOS | Finding site | Intrathoracic organ | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Malignant neoplasm of heart, thymus and mediastinum NOS | Associated morphology | Malignant neoplasm of primary, secondary, or uncertain origin | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Malignant neoplasm of heart, thymus and mediastinum NOS | Finding site | Intrathoracic organ | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Malignant neoplasm of heart, thymus and mediastinum NOS | Associated morphology | Malignant neoplasm of primary, secondary, or uncertain origin | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Malignant neoplasm of heart, thymus and mediastinum NOS | Finding site | Intrathoracic organ | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Malignant neoplasm of heart, thymus and mediastinum NOS | Associated morphology | Malignant neoplasm of primary, secondary, or uncertain origin | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Malignant neoplasm of heart, thymus and mediastinum NOS | Finding site | Mediastinal structure | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Malignant neoplasm of heart, thymus and mediastinum NOS | Associated morphology | Malignant neoplasm of primary, secondary, or uncertain origin | false | Inferred relationship | Existential restriction modifier | 1 |  |