Assertion: dissection | /r/IsA | type a dissections
Facets:
value: in the stanford classification system
type: LOCATION
Source sentences:
text: In the Stanford classification system, dissections occurring in the ascending aorta are classified as type A dissections.
text: A dissection to the ascending aorta is classified as a Type A dissection, and a dissection to the descending aorta is known as a Type B dissection.