This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Oesophagus, Subject name: Surgery
Dysphagia lusoria is by: 
Select and explain. 
A. Neural anomaly, B. Malabsrption, C. Vascular anomaly, D. Any
C: Vascular anomaly
Answer: C: Vascular anomaly 
Explanation: Ans. (c) Vascular anomalyRef Internet source* Aberrant right subclavian artery arising from descending aortic arch is associated with dysphagia.* There is posterior esophageal compression