“…1,3,4,8,9 Earlier reports included only patients in whom DAA was found incidentally during thoracotomy performed for other pathology 2 or, like in our case, for an abnormal chest radiograph. 4,10,11 Adult presentation of DAA is associated with higher mortality than in childhood. 12 Indeed, lifethreatening complications such as rupture, erosion, thromboembolism, and infection have been reported.…”