Dysphagia lusoria is because of -

Dysphagia lusoria Dysphagia Lusoria is a disorder of swallowing caused due to vascular anomalies Causes of Dysphagia Lusoria A right aortic arch A double aortic arch A vascular constricting ring formed by FDA or a ligamentum arteriosum and the pulmonary artery or aortic arch. An abnormal right subclavian artery(arteria lusoria) An abnormal innominate artery Diagnosis is made by a lipoidal swallow or by arteriography.