This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: ENT
Dysphagia lusoria is because of - 
Select and explain. 
A. Esophageal webs, B. Achalasia, C. Esophageal stricture, D. Aberrant great vessels
D: Aberrant great vessels
Answer: D: Aberrant great vessels 
Explanation: 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.