Double Aortic Arch With Ligamentous Remnant of Left Arch: A Rare Cause of Dysphagia in an Adult.

• Thoracic vascular rings are congenital anomalies with varied symptomatology. • Suspect and rule out vascular ring in unexplained upper airway/esophageal obstruction. • Include additional AA and pulmonary branch views in ACHD echo protocol. • Cross-sectional cardiac imaging helps in unambiguous surgical planning.