Dysphagia lusoria is due to: (A) Esophageal diveiculum, (B) Aneurysm of aoa, (C) Esophageal web, (D) Compression by aberrant blood vessel
Answer is D. The MC anomaly is right subclan aery arising from the descending aoa and travels behind the esophagus to complete its course to the right upper extremity, may cause significant posterior compression of the esophagus Ref : ENT textbook by Dhingra 6th edition Pgno : 447