ICD-9-CM Volume 2 Index entries containing back-references to 
447.70:
- Aortectasia  (see also Ectasia, aortic) 447.70
- Dilatation aorta (focal) (general) (see also Ectasia, aortic) 447.70 aorta (focal) (general) (see also Ectasia, aortic) 447.70
 
- Ectasia, ectasis aorta (see also Ectasia, aortic) 447.70 aorta (see also Ectasia, aortic) 447.70
  aortic 447.70 aortic 447.70
 
- Widening aorta (see also Ectasia, aortic) 447.70