Assertion: thoracic aorta | /r/DefinedAs | aneurysmal
Facets:
value: generally
type: DEGREE
Source sentences:
text: A thoracic aorta greater than 4.5 cm is generally defined as aneurysmal, while a size greater than 6 cm is the distinction for treatment, which can be either endovascular or surgical, with the former reserved for pathology at the descending aorta.