Assertion: abdominal aortic aneurysm | /r/HasProperty | key element
Facets:
Source sentences:
text: These exams also measure the size of AAA, a key element in determining the best treatment.
text: An abdominal aortic aneurysm is over seven times more likely to develop in a smoker than a nonsmoker, with the duration of smoking — rather than total number of cigarettes smoked — being the key variable.