<prompt> Dysphagia lusoria is because of -Esophageal websAchalasiaEsophageal strictureAberrant great vessels  <response>: Dysphagia lusoriaDysphagia Lusoria is a disorder of swallowing caused due to vascular anomaliesCauses of Dysphagia LusoriaA right aortic archA double aortic archA vascular constricting ring formed by FDA or a ligamentum arteriosum and the pulmonary artery or aortic arch.An abnormal right subclavian arteryarteria lusoriaAn abnormal innominate arteryDiagnosis is made by a lipoidal swallow or by arteriography. 