| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Entire cranial cavity | Is a | True | Cranial cavity structure | Inferred relationship | Existential restriction modifier |  | 
| Intracranial structure | Is a | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier |  | 
| Structure of region of cranial cavity | Is a | True | Cranial cavity structure | Inferred relationship | Existential restriction modifier |  | 
| Bone structure of cranial cavity | Is a | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier |  | 
| Structure of fossa of cranial cavity | Is a | True | Cranial cavity structure | Inferred relationship | Existential restriction modifier |  | 
| Subarachnoid hemorrhage following injury with open intracranial wound, unspecified state of consciousness | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Subarachnoid hemorrhage following injury with open intracranial wound, with no loss of consciousness | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Subarachnoid hemorrhage following injury with open intracranial wound, with less than 1 hour loss of consciousness | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Subarachnoid hemorrhage following injury with open intracranial wound, with 1-24 hours loss of consciousness | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Subarachnoid hemorrhage following injury with open intracranial wound, with more than 24 hours loss of consciousness and return to pre-existing conscious level | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Subarachnoid hemorrhage following injury with open intracranial wound, with more than 24 hours loss of consciousness without return to pre-existing conscious level | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Subarachnoid hemorrhage following injury with open intracranial wound, with loss of consciousness of unspecified duration | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Subarachnoid hemorrhage following injury with open intracranial wound, with concussion, unspecified | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Subdural hemorrhage following injury with open intracranial wound, unspecified state of consciousness | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Subdural hemorrhage following injury with open intracranial wound, with no loss of consciousness | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Subdural hemorrhage following injury with open intracranial wound, with less than 1 hour loss of consciousness | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Subdural hemorrhage following injury with open intracranial wound, with 1-24 hours loss of consciousness | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Subdural hemorrhage following injury with open intracranial wound, with more than 24 hours loss of consciousness and return to pre-existing conscious level | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Subdural hemorrhage following injury with open intracranial wound, with more than 24 hours loss of consciousness without return to pre-existing conscious level | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Subdural hemorrhage following injury with open intracranial wound, with loss of consciousness of unspecified duration | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Subdural hemorrhage following injury with open intracranial wound, with concussion, unspecified | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Extradural hemorrhage following injury without mention of open intracranial wound, unspecified state of consciousness | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Extradural hemorrhage following injury without mention of open intracranial wound, with no loss of consciousness | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Extradural hemorrhage following injury without mention of open intracranial wound, with less than 1 hour loss of consciousness | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Extradural hemorrhage following injury without mention of open intracranial wound, with 1-24 hours loss of consciousness | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Extradural hemorrhage following injury without mention of open intracranial wound, with more than 24 hours loss of consciousness and return to pre-existing conscious level | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Extradural hemorrhage following injury without mention of open intracranial wound, with more than 24 hours loss of consciousness without return to pre-existing conscious level | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Extradural hemorrhage following injury without mention of open intracranial wound, with loss of consciousness of unspecified duration | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Extradural hemorrhage following injury without mention of open intracranial wound, with concussion, unspecified | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Open traumatic extradural hemorrhage | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Extradural hemorrhage following injury with open intracranial wound, unspecified state of consciousness | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Extradural hemorrhage following injury with open intracranial wound, with no loss of consciousness | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Extradural hemorrhage following injury with open intracranial wound, with less than 1 hour loss of consciousness | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Extradural hemorrhage following injury with open intracranial wound, with 1-24 hours loss of consciousness | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Extradural hemorrhage following injury with open intracranial wound, with more than 24 hours loss of consciousness and return to pre-existing conscious level | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Extradural hemorrhage following injury with open intracranial wound, with more than 24 hours loss of consciousness without return to pre-existing conscious level | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Extradural hemorrhage following injury with open intracranial wound, with loss of consciousness of unspecified duration | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Extradural hemorrhage following injury with open intracranial wound, with concussion, unspecified | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Epidural supratentorial pyogenic abscess | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Epidural supratentorial pyogenic abscess | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 3 | 
| Subdural supratentorial pyogenic abscess | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Subdural infratentorial pyogenic abscess | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Cerebral pyogenic abscess | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Cerebral pyogenic abscess | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 3 | 
| Brainstem pyogenic abscess | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Multiple intracranial pyogenic abscesses | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Multiple intracranial pyogenic abscesses | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 3 | 
| Candidal brain abscess | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Candidal brain abscess | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 3 | 
| Cerebral hydatid cyst | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Subdural intracranial abscess | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Tuberculous intracranial abscess | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 3 | 
| Tuberculous intracranial abscess | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Subdural hemorrhage following injury without open intracranial wound AND with brief loss of consciousness (less than one hour) | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 3 | 
| Subdural hemorrhage following injury without open intracranial wound AND with brief loss of consciousness (less than one hour) | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Traumatic intracranial extradural hematoma | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Traumatic intracranial subdural hematoma | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Subarachnoid hemorrhage due to traumatic injury | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Closed traumatic extradural hemorrhage | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Late effects of pyogenic intracranial abscess | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Late effects of pyogenic intracranial abscess | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 3 | 
| Intracranial pyogenic abscess | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 3 | 
| Intracranial pyogenic abscess | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Actinomycotic brain abscess | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Intracranial non-pyogenic abscess | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 3 | 
| Intracranial non-pyogenic abscess | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Cerebral cysticercosis | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 3 | 
| Cerebral cysticercosis | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Intramedullary abscess | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 3 | 
| Intramedullary abscess | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Amebic brain abscess | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Subarachnoid hemorrhage following injury without open intracranial wound | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 1 | 
| Extradural hemorrhage following injury with open intracranial wound AND concussion | Finding site | True | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Non-traumatic extradural intracranial hematoma | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Subdural hemorrhage following injury with open intracranial wound AND brief loss of consciousness (less than one hour) | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Middle meningeal hemorrhage following injury | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Subdural hemorrhage following injury without open intracranial wound AND with loss of consciousness | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 1 | 
| Subdural hemorrhage following injury without open intracranial wound AND with loss of consciousness | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Intracranial hemorrhage following injury with intracranial wound AND moderate loss of consciousness (1-24 hours) | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Subarachnoid hemorrhage following injury without open intracranial wound AND with no loss of consciousness | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 3 | 
| Extradural infratentorial pyogenic abscess | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Extradural infratentorial pyogenic abscess | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 3 | 
| Ruptured cerebral aneurysm | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 3 | 
| Extradural hemorrhage following injury without open intracranial wound AND with brief loss of consciousness (less than one hour) | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 3 | 
| Extradural hemorrhage following injury without open intracranial wound AND with brief loss of consciousness (less than one hour) | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Subarachnoid hemorrhage following injury without open intracranial wound AND with concussion | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 4 | 
| Subarachnoid hemorrhage following injury without open intracranial wound AND with concussion | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Extradural hemorrhage following injury with open intracranial wound AND no loss of consciousness | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Subdural hemorrhage following injury with open intracranial wound AND loss of consciousness | Finding site | True | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Subarachnoid hemorrhage following injury with open intracranial wound AND concussion | Finding site | True | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Subarachnoid hemorrhage following injury with open intracranial wound | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Subdural hemorrhage following injury with open intracranial wound AND prolonged loss of consciousness (more than 24 hours) AND return to pre-existing conscious level | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Subarachnoid hemorrhage following injury with open intracranial wound AND brief loss of consciousness (less than one hour) | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Extradural hemorrhage following injury with open intracranial wound AND moderate loss of consciousness (1-24 hours) | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Extradural hemorrhage following injury without open intracranial wound AND with moderate loss of consciousness (1-24 hours) | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Extradural hemorrhage following injury without open intracranial wound AND with moderate loss of consciousness (1-24 hours) | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Subdural hemorrhage following injury without open intracranial wound AND with moderate loss of consciousness (1-24 hours) | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 1 | 
| Subdural hemorrhage following injury without open intracranial wound AND with moderate loss of consciousness (1-24 hours) | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Subdural hemorrhage following injury with open intracranial wound AND no loss of consciousness | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 | 
| Subdural hemorrhage following injury without open intracranial wound AND with concussion | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 1 | 
| Subdural hemorrhage following injury without open intracranial wound AND with concussion | Finding site | False | Cranial cavity structure | Inferred relationship | Existential restriction modifier | 2 |