Assertion: double aortic arch | /r/HasProperty | rare
Facets:
value: very
type: DEGREE
Source sentences:
text: Double aortic arch is very rare.
text: Double aortic arch is very rare.
text: When a double aortic arch (rare) is present, (however one of the 2 most common forms of vascular ring abnormality of the aortic arch system) two tubes develop which circle and compress the windpipe (trachea) and/or food pipe (
text: Ventricular septal defect Double aortic arch is very rare.