| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Metastatic malignant neoplasm to endocardium | Is a | Metastatic malignant neoplasm to heart | true | Inferred relationship | Existential restriction modifier |  |  | 
| Metastatic malignant neoplasm to endocardium | Is a | Neoplasm of endocardium | false | Inferred relationship | Existential restriction modifier |  |  | 
| Metastatic malignant neoplasm to endocardium | Associated morphology | Malignant neoplasm of primary, secondary, or uncertain origin | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Metastatic malignant neoplasm to endocardium | Associated morphology | Malignant neoplasm, primary | false | Inferred relationship | Existential restriction modifier |  |  | 
| Metastatic malignant neoplasm to endocardium | Pathological process | Neoplastic process | false | Inferred relationship | Existential restriction modifier |  |  | 
| Metastatic malignant neoplasm to endocardium | Finding site | Ill-defined topographic site | false | Inferred relationship | Existential restriction modifier |  |  | 
| Metastatic malignant neoplasm to endocardium | Associated morphology | Neoplasm, metastatic | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Metastatic malignant neoplasm to endocardium | Associated morphology | Malignant neoplasm of primary, secondary, or uncertain origin | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Metastatic malignant neoplasm to endocardium | Pathological process | Secondary malignant neoplastic process | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Metastatic malignant neoplasm to endocardium | Finding site | Structure of respiratory system | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Metastatic malignant neoplasm to endocardium | Finding site | Heart structure | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Metastatic malignant neoplasm to endocardium | Pathological process | Malignant neoplastic process | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Metastatic malignant neoplasm to endocardium | Finding site | Endocardium structure | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Metastatic malignant neoplasm to endocardium | Finding site | Respiratory organ | false | Inferred relationship | Existential restriction modifier |  |  | 
| Metastatic malignant neoplasm to endocardium | Is a | Malignant tumor of endocardium | true | Inferred relationship | Existential restriction modifier |  |  | 
| Metastatic malignant neoplasm to endocardium | Finding site | Intrathoracic organ | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Metastatic malignant neoplasm to endocardium | Associated morphology | Neoplasm, metastatic | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Metastatic malignant neoplasm to endocardium | Associated morphology | Neoplasm, metastatic | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Metastatic malignant neoplasm to endocardium | Associated morphology | Neoplasm, metastatic | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Metastatic malignant neoplasm to endocardium | Associated morphology | Neoplasm, metastatic | true | Inferred relationship | Existential restriction modifier | 1 |  | 
| Metastatic malignant neoplasm to endocardium | Finding site | Endocardium structure | true | Inferred relationship | Existential restriction modifier | 1 |  | 
| Metastatic malignant neoplasm to endocardium | Associated morphology | Neoplasm, metastatic | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Metastatic malignant neoplasm to endocardium | Finding site | Structure of respiratory system and/or intrathoracic structure | false | Inferred relationship | Existential restriction modifier | 2 |  |