| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| [D]Swelling, mass or lump in head and neck | Is a | [D]Head and neck symptoms | false | Inferred relationship | Existential restriction modifier |  |  | 
| [D]Swelling, mass or lump in head and neck | Associated finding | Finding reported by subject or history provider | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| [D]Swelling, mass or lump in head and neck | Finding context | Known present | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| [D]Swelling, mass or lump in head and neck | Temporal context | Current or specified time | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| [D]Swelling, mass or lump in head and neck | Subject relationship context | Subject of record | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| [D]Swelling, mass or lump in head and neck | Is a | [D]Head and neck symptoms | false | Inferred relationship | Existential restriction modifier |  |  | 
| [D]Swelling, mass or lump in head and neck | Is a | [V]Situation with explicit context classifications | false | Inferred relationship | Existential restriction modifier |  |  | 
| [D]Swelling, mass or lump in head and neck | Is a | [D]Classification derived symptoms, signs and ill-defined conditions | false | Inferred relationship | Existential restriction modifier |  |  | 
| [D]Swelling, mass or lump in head and neck | Finding context | Finding context value | false | Inferred relationship | Existential restriction modifier |  |  | 
| [D]Swelling, mass or lump in head and neck | Temporal context | Temporal context value | false | Inferred relationship | Existential restriction modifier |  |  | 
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| [D]Intracranial lesion | Is a | False | [D]Swelling, mass or lump in head and neck | Inferred relationship | Existential restriction modifier |  | 
| [D]Swelling in head or neck | Is a | False | [D]Swelling, mass or lump in head and neck | Inferred relationship | Existential restriction modifier |  | 
| [D]Mass in head or neck | Is a | False | [D]Swelling, mass or lump in head and neck | Inferred relationship | Existential restriction modifier |  | 
| [D]Lump in head or neck | Is a | False | [D]Swelling, mass or lump in head and neck | Inferred relationship | Existential restriction modifier |  | 
| [D]Localised swelling, mass and lump, head | Is a | False | [D]Swelling, mass or lump in head and neck | Inferred relationship | Existential restriction modifier |  | 
| [D]Localised swelling, mass and lump, neck | Is a | False | [D]Swelling, mass or lump in head and neck | Inferred relationship | Existential restriction modifier |  | 
| [D]Tongue mass | Is a | False | [D]Swelling, mass or lump in head and neck | Inferred relationship | Existential restriction modifier |  | 
| [D]Lump on head | Is a | False | [D]Swelling, mass or lump in head and neck | Inferred relationship | Existential restriction modifier |  | 
| [D]Lump on nose | Is a | False | [D]Swelling, mass or lump in head and neck | Inferred relationship | Existential restriction modifier |  | 
| [D]Submental lump | Is a | False | [D]Swelling, mass or lump in head and neck | Inferred relationship | Existential restriction modifier |  | 
| [D]Swelling of ear | Is a | False | [D]Swelling, mass or lump in head and neck | Inferred relationship | Existential restriction modifier |  | 
| [D]Swelling of mandibular region | Is a | False | [D]Swelling, mass or lump in head and neck | Inferred relationship | Existential restriction modifier |  | 
| [D]Swelling in head or neck | Is a | False | [D]Swelling, mass or lump in head and neck | Inferred relationship | Existential restriction modifier |  | 
| [D]Mass in head or neck | Is a | False | [D]Swelling, mass or lump in head and neck | Inferred relationship | Existential restriction modifier |  | 
| [D]Lump in head or neck | Is a | False | [D]Swelling, mass or lump in head and neck | Inferred relationship | Existential restriction modifier |  | 
| [D]Localised swelling, mass and lump, head | Is a | False | [D]Swelling, mass or lump in head and neck | Inferred relationship | Existential restriction modifier |  | 
| [D]Localised swelling, mass and lump, neck | Is a | False | [D]Swelling, mass or lump in head and neck | Inferred relationship | Existential restriction modifier |  | 
| [D]Tongue mass | Is a | False | [D]Swelling, mass or lump in head and neck | Inferred relationship | Existential restriction modifier |  | 
| [D]Lump on head | Is a | False | [D]Swelling, mass or lump in head and neck | Inferred relationship | Existential restriction modifier |  | 
| [D]Lump on nose | Is a | False | [D]Swelling, mass or lump in head and neck | Inferred relationship | Existential restriction modifier |  | 
| [D]Submental lump | Is a | False | [D]Swelling, mass or lump in head and neck | Inferred relationship | Existential restriction modifier |  | 
| [D]Swelling of ear | Is a | False | [D]Swelling, mass or lump in head and neck | Inferred relationship | Existential restriction modifier |  | 
| [D]Swelling of mandibular region | Is a | False | [D]Swelling, mass or lump in head and neck | Inferred relationship | Existential restriction modifier |  |