In very rare occasions, in the presence of an aberrant right subclavian artery, the right carotid may branch early into the internal and external carotid, mimicking an innominate artery branching ...

Right aberrant subclavian artery, also called arteria lusoria, is one of the most common intrathoracic arterial anomalies. Although mostly asymptomatic, the retroesophageal and retrotracheal ...