Assertion: aorta | /r/HasProperty | crossed the midline
Facets:
Source sentences:
text: The first arch vessel may be the left brachiocephalic, followed by the right carotid and then the right subclavian arteries, or the left carotid artery alone, followed by the right carotid, right subclavian, and the aberrant left subclavian artery (which arises from an aortic diverticulum after the aorta has crossed the midline) (Fig 13).