Assertion: abdominal aortic aneurysm's risk | /r/HasProperty | about 30 to 50%
Facets:
value: during surgery
type: TEMPORAL
Source sentences:
text: The risk of death is less than 4% during stent graft repair of thoracic aortic aneurysms but is about 30 to 50% during a stent graft repair or surgery for a ruptured thoracic aneurysm.