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: ENT
Dysphagia lusoria is caused by? 
Select and explain. 
A. Abdominal aorta, B. Thoracic aorta, C. Aberrant right subclavian artery, D. None of the above
C: Aberrant right subclavian artery
Answer: C: Aberrant right subclavian artery 
Explanation: Ans. (c) Aberrant right subclavian arteryRef: Srb's Manual of Surgery by SriramBhat p 720