| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Carcinoma in situ of lip, oral cavity and/or pharynx | Is a | Carcinoma in situ of ear, nose and throat | false | Inferred relationship | Existential restriction modifier |  |  | 
| Carcinoma in situ of lip, oral cavity and/or pharynx | Finding site | Structure of head and/or neck | false | Inferred relationship | Existential restriction modifier |  |  | 
| Carcinoma in situ of lip, oral cavity and/or pharynx | Pathological process | Carcinoma in situ neoplastic process | false | Inferred relationship | Existential restriction modifier |  |  | 
| Carcinoma in situ of lip, oral cavity and/or pharynx | Associated morphology | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Carcinoma in situ of lip, oral cavity and/or pharynx | Associated morphology | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Carcinoma in situ of lip, oral cavity and/or pharynx | Is a | Carcinoma in situ of lip | false | Inferred relationship | Existential restriction modifier |  |  | 
| Carcinoma in situ of lip, oral cavity and/or pharynx | Is a | Carcinoma in situ of oropharynx | false | Inferred relationship | Existential restriction modifier |  |  | 
| Carcinoma in situ of lip, oral cavity and/or pharynx | Is a | Redness of throat | false | Inferred relationship | Existential restriction modifier |  |  | 
| Carcinoma in situ of lip, oral cavity and/or pharynx | Finding site | Lip structure | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Carcinoma in situ of lip, oral cavity and/or pharynx | Finding site | Oral cavity structure | false | Inferred relationship | Existential restriction modifier |  |  | 
| Carcinoma in situ of lip, oral cavity and/or pharynx | Finding site | Salivary structure | false | Inferred relationship | Existential restriction modifier |  |  | 
| Carcinoma in situ of lip, oral cavity and/or pharynx | Finding site | Oral mucous membrane structure | false | Inferred relationship | Existential restriction modifier | 4 |  | 
| Carcinoma in situ of lip, oral cavity and/or pharynx | Finding site | Oropharyngeal structure | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Carcinoma in situ of lip, oral cavity and/or pharynx | Associated morphology | Neoplasm | false | Inferred relationship | Existential restriction modifier | 4 |  | 
| Carcinoma in situ of lip, oral cavity and/or pharynx | Associated morphology | Neoplasm | false | Inferred relationship | Existential restriction modifier | 3 |  | 
| Carcinoma in situ of lip, oral cavity and/or pharynx | Finding site | Salivary gland structure | false | Inferred relationship | Existential restriction modifier | 3 |  | 
| Carcinoma in situ of lip, oral cavity and/or pharynx | Associated morphology | Carcinoma in situ, no International Classification of Diseases for Oncology subtype | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Carcinoma in situ of lip, oral cavity and/or pharynx | Finding site | Lip structure | false | Inferred relationship | Existential restriction modifier | 4 |  | 
| Carcinoma in situ of lip, oral cavity and/or pharynx | Finding site | Lip structure | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Carcinoma in situ of lip, oral cavity and/or pharynx | Finding site | Oral cavity structure | false | Inferred relationship | Existential restriction modifier | 3 |  | 
| Carcinoma in situ of lip, oral cavity and/or pharynx | Finding site | Salivary structure | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Carcinoma in situ of lip, oral cavity and/or pharynx | Associated morphology | Carcinoma in situ - category | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Carcinoma in situ of lip, oral cavity and/or pharynx | Associated morphology | Carcinoma in situ - category | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Carcinoma in situ of lip, oral cavity and/or pharynx | Associated morphology | Carcinoma in situ - category | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Carcinoma in situ of lip, oral cavity and/or pharynx | Associated morphology | Carcinoma in situ - category | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Carcinoma in situ of lip, oral cavity and/or pharynx | Finding site | Lip structure | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Carcinoma in situ of lip, oral cavity and/or pharynx | Finding site | Lip structure | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Carcinoma in situ of lip, oral cavity and/or pharynx | Associated morphology | Carcinoma in situ - category | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Carcinoma in situ of lip, oral cavity and/or pharynx | Associated morphology | Carcinoma in situ - category | false | Inferred relationship | Existential restriction modifier | 3 |  | 
| Carcinoma in situ of lip, oral cavity and/or pharynx | Associated morphology | Malignant neoplasm of primary, secondary, or uncertain origin | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Carcinoma in situ of lip, oral cavity and/or pharynx | Finding site | Lip structure | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Carcinoma in situ of lip, oral cavity and/or pharynx | Finding site | Lip structure | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Carcinoma in situ of lip, oral cavity and/or pharynx | Associated morphology | Carcinoma in situ - category | false | Inferred relationship | Existential restriction modifier | 3 |  | 
| Carcinoma in situ of lip, oral cavity and/or pharynx | Associated morphology | Carcinoma in situ - category | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Carcinoma in situ of lip, oral cavity and/or pharynx | Associated morphology | Carcinoma in situ - category | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Carcinoma in situ of lip, oral cavity and/or pharynx | Associated morphology | Carcinoma in situ - category | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Carcinoma in situ of lip, oral cavity and/or pharynx | Is a | Neoplasm of digestive tract | false | Inferred relationship | Existential restriction modifier |  |  | 
| Carcinoma in situ of lip, oral cavity and/or pharynx | Is a | Mouth and/or pharynx finding | false | Inferred relationship | Existential restriction modifier |  |  | 
| Carcinoma in situ of lip, oral cavity and/or pharynx | Is a | Neoplasm of head | false | Inferred relationship | Existential restriction modifier |  |  | 
| Carcinoma in situ of lip, oral cavity and/or pharynx | Is a | Carcinoma in situ | false | Inferred relationship | Existential restriction modifier |  |  | 
| Carcinoma in situ of lip, oral cavity and/or pharynx | Finding site | Structure of mouth and/or pharynx | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Carcinoma in situ of lip, oral cavity and/or pharynx | Is a | Disorder of upper digestive tract | false | Inferred relationship | Existential restriction modifier |  |  | 
| Carcinoma in situ of lip, oral cavity and/or pharynx | Finding site | Structure of mouth and/or pharynx | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Carcinoma in situ of lip, oral cavity and/or pharynx | Associated morphology | Carcinoma in situ - category | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Carcinoma in situ of lip, oral cavity and/or pharynx | Is a | Neoplasm of head AND/OR neck | false | Inferred relationship | Existential restriction modifier |  |  | 
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Carcinoma in situ of lip, oral cavity and pharynx NOS | Is a | False | Carcinoma in situ of lip, oral cavity and/or pharynx | Inferred relationship | Existential restriction modifier |  | 
| Carcinoma in situ of salivary gland | Is a | False | Carcinoma in situ of lip, oral cavity and/or pharynx | Inferred relationship | Existential restriction modifier |  | 
| Carcinoma in situ of mouth | Is a | False | Carcinoma in situ of lip, oral cavity and/or pharynx | Inferred relationship | Existential restriction modifier |  | 
| Carcinoma in situ of pharynx | Is a | False | Carcinoma in situ of lip, oral cavity and/or pharynx | Inferred relationship | Existential restriction modifier |  | 
| Carcinoma in situ of skin of cheek | Is a | False | Carcinoma in situ of lip, oral cavity and/or pharynx | Inferred relationship | Existential restriction modifier |  | 
| Carcinoma in situ of frenum linguae | Is a | False | Carcinoma in situ of lip, oral cavity and/or pharynx | Inferred relationship | Existential restriction modifier |  | 
| Carcinoma in situ of tip of tongue | Is a | False | Carcinoma in situ of lip, oral cavity and/or pharynx | Inferred relationship | Existential restriction modifier |  | 
| Carcinoma in situ of lip | Is a | False | Carcinoma in situ of lip, oral cavity and/or pharynx | Inferred relationship | Existential restriction modifier |  | 
| Carcinoma in situ of lip, oral cavity and pharynx NOS | Is a | False | Carcinoma in situ of lip, oral cavity and/or pharynx | Inferred relationship | Existential restriction modifier |  |