Delayed bronchial stenosis after blunt chest trauma with right aortic arch.

We report a case of delayed bronchial stenosis after blunt chest trauma with right aortic arch. A 21-year-old male passenger was involved in a traffic accident. He was brought to an emergency hospital with severe chest pain and dyspnea, and diagnosed with multiple rib fractures, right hemopneumothorax and chylothorax. He was treated with chest tube drainage and the symptoms subsided. About 9 weeks later, he complained of exertional dyspnea and was referred to our hospital. Bronchoscopy demonstrated circumferential stenosis of the right main bronchus approximately 1 cm distal to the carina. Thoracic computed tomography and magnetic resonance imaging revealed the right aortic arch. Successful resection of the bronchial stenotic lesion was performed followed by end-to-end anastomosis through midsternotomy due to the associated right aortic arch. Postoperative bronchoscopy revealed that the site of the anastomosis was patent and his symptoms were relieved.