[Congenital bronchomalacia of left main bronchus combined with lobar emphysema, pectus excavatum and right aortic arch--a case report].

One-year-old girl was admitted because of recurrent pneumonia and pectus excavatum. Chest X-ray showed hyperlucency at the upper lung field and infiltrated shadow at the lower field of the left lung. Bronchoscopy and bronchograms revealed marked collapse in a long segment of the left main bronchus during expiration. CT scan showed an emphysematous change and a giant bulla of left lung. Angiogram showed right aortic arch. Sternoturnover was performed at 5 years of age for pectus excavatum. After 10 months, left pneumonectomy was performed for bronchomalacia and lobar emphysema. Pathologic findings of the bronchus revealed that the rings were flattened, while the cartilage was microscopically normal.