#aneurysm  a sac-like widening of an artery
  supertype:  cardiovascular_disease  a disease of the heart or blood vessels
  subtype:  aortic_aneurysm  an aneurysm of the aorta
  subtype:  cerebral_aneurysm  an aneurysm of the carotid artery
  subtype:  intracranial_aneurysm  an aneurysm of a cranial artery
  subtype:  ventricular_aneurysm__ventricularaneurysm  a localized dilation or protrusion on the wall of the left ventricle of the heart (occurring after a myocardial infarction)

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