Assertion: brain aneurysm | /r/HasAspect | symptom
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: Almost all brain aneurysms have no symptoms until they begin to leak blood.
text: Unruptured brain aneurysms usually have no symptoms.
text: Most brain aneurysms have no symptoms and are small in size (less than 10 millimeters, or less than four-tenths of an inch, in diameter).
text: Cerebral aneurysms usually have no signs or symptoms if they have not ruptured.