Abstract
A 23-year-old man was admitted for detailed examinations of an abnormal shadow in the right middle lung field. Chest CT scan revealed mucoid impaction and surrounding hyperlucency in the right S^3b and S^5 areas. Bronchofiberscopy found no orifices of the right B^3b and B^5. Bronchial atresia was diagnosed. The patient underwent right upper lobe anterior subsegmentectomy and middle lobectomy. This was a rare atypical case of bronchial atresia with two lesion in each lobe.
