Assertion: thoracic aortic aneurysm | /r/HasProperty | a hardening of the arteries
Facets:
Source sentences:
text: Thoracic aortic aneurysms are most often caused by atherosclerosis, a hardening of the arteries that damages the artery's walls.
text: Thoracic aortic aneurysms are most often caused by atherosclerosis, a hardening of the arteries that damages the artery’s walls.