| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Pneumonic plague, unspecified | Is a | Pneumonic plague | false | Inferred relationship | Existential restriction modifier |  |  | 
| Pneumonic plague, unspecified | Pathological process | Infectious disease | false | Inferred relationship | Existential restriction modifier |  |  | 
| Pneumonic plague, unspecified | Finding site | Lung structure | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Pneumonic plague, unspecified | Causative agent | Yersinia pestis | false | Inferred relationship | Existential restriction modifier |  |  | 
| Pneumonic plague, unspecified | Associated morphology | Inflammation | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Pneumonic plague, unspecified | Associated morphology | Consolidation | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Pneumonic plague, unspecified | Finding site | Lung structure | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Pneumonic plague, unspecified | Associated morphology | Inflammation | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Pneumonic plague, unspecified | Associated morphology | Consolidation | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Pneumonic plague, unspecified | Pathological process | Infectious process | false | Inferred relationship | Existential restriction modifier |  |  |