| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| [M]Carcinoma, undifferentiated type, NOS | Is a | False | Carcinoma, undifferentiated | Inferred relationship | Existential restriction modifier |  | 
| Undifferentiated carcinoma of ovary | Finding site | False | Carcinoma, undifferentiated | Inferred relationship | Existential restriction modifier | 1 | 
| Undifferentiated carcinoma of ovary | Associated morphology | True | Carcinoma, undifferentiated | Inferred relationship | Existential restriction modifier | 1 | 
| Undifferentiated carcinoma of nasopharynx | Associated morphology | True | Carcinoma, undifferentiated | Inferred relationship | Existential restriction modifier | 1 | 
| Undifferentiated carcinoma of nasopharynx | Associated morphology | False | Carcinoma, undifferentiated | Inferred relationship | Existential restriction modifier | 1 | 
| Undifferentiated carcinoma of ovary | Associated morphology | False | Carcinoma, undifferentiated | Inferred relationship | Existential restriction modifier | 1 | 
| Undifferentiated carcinoma of nasal sinus | Associated morphology | True | Carcinoma, undifferentiated | Inferred relationship | Existential restriction modifier | 1 | 
| Primary undifferentiated carcinoma of trachea | Associated morphology | True | Carcinoma, undifferentiated | Inferred relationship | Existential restriction modifier | 1 | 
| Primary undifferentiated carcinoma of lung | Associated morphology | True | Carcinoma, undifferentiated | Inferred relationship | Existential restriction modifier | 1 | 
| Primary undifferentiated carcinoma of larynx | Associated morphology | True | Carcinoma, undifferentiated | Inferred relationship | Existential restriction modifier | 1 | 
| Primary undifferentiated carcinoma of hypopharynx | Associated morphology | True | Carcinoma, undifferentiated | Inferred relationship | Existential restriction modifier | 1 | 
| Primary undifferentiated carcinoma of oropharynx | Associated morphology | True | Carcinoma, undifferentiated | Inferred relationship | Existential restriction modifier | 1 | 
| Primary undifferentiated carcinoma of thyroid gland | Associated morphology | True | Carcinoma, undifferentiated | Inferred relationship | Existential restriction modifier | 1 | 
| Primary undifferentiated carcinoma of endometrium | Associated morphology | True | Carcinoma, undifferentiated | Inferred relationship | Existential restriction modifier | 1 | 
| Undifferentiated carcinoma of stomach | Associated morphology | True | Carcinoma, undifferentiated | Inferred relationship | Existential restriction modifier | 1 | 
| Undifferentiated carcinoma of corpus uteri | Associated morphology | True | Carcinoma, undifferentiated | Inferred relationship | Existential restriction modifier | 1 | 
| Undifferentiated carcinoma of liver and intrahepatic biliary tract | Associated morphology | True | Carcinoma, undifferentiated | Inferred relationship | Existential restriction modifier | 1 | 
| Undifferentiated carcinoma of esophagus | Associated morphology | True | Carcinoma, undifferentiated | Inferred relationship | Existential restriction modifier | 1 | 
| Undifferentiated carcinoma of trachea | Associated morphology | True | Carcinoma, undifferentiated | Inferred relationship | Existential restriction modifier | 1 | 
| Undifferentiated carcinoma of endometrium | Associated morphology | True | Carcinoma, undifferentiated | Inferred relationship | Existential restriction modifier | 1 | 
| Undifferentiated carcinoma of lung | Associated morphology | True | Carcinoma, undifferentiated | Inferred relationship | Existential restriction modifier | 1 | 
| Primary undifferentiated carcinoma of ovary | Associated morphology | True | Carcinoma, undifferentiated | Inferred relationship | Existential restriction modifier | 1 | 
| Primary undifferentiated carcinoma of nasal sinus | Associated morphology | True | Carcinoma, undifferentiated | Inferred relationship | Existential restriction modifier | 1 | 
| Primary undifferentiated carcinoma of nasopharynx | Associated morphology | True | Carcinoma, undifferentiated | Inferred relationship | Existential restriction modifier | 1 | 
| Undifferentiated carcinoma of hypopharynx | Associated morphology | True | Carcinoma, undifferentiated | Inferred relationship | Existential restriction modifier | 1 | 
| [M]Carcinoma, undifferentiated type, NOS | Is a | False | Carcinoma, undifferentiated | Inferred relationship | Existential restriction modifier |  |