Assertion: thoracic aortic aneurysm | /r/HasProperty | rare
Facets:
Source sentences:
text: Thoracic Aortic Aneurysm Causes Thoracic aortic aneurysms are rare, occurring in six to 10 people per 100,000.
text: Thoracic aortic aneurysms are rare, occurring in approximately 6-10 per every 100,000 people.