Congenital dilation of left subclavian artery/descending aorta representing remnant of right dorsal aortic root; may be source of aberrant right subclavian artery. Esophageal compression requiring resection may result.
InsideSurgery Medical Information Blog
Details of surgical procedures, pathophysiology, signs and symptoms, and treatment of medical diseases,medical and surgical eponyms, and surgeons and surgery in the news