School ager with an upper respiratory infection Pediatric Imaging Chest June 26, 2023June 12, 2023 CXR AP and lateral (above) shows a large cystic lesion in the right upper lobe. Axial CT with contrast of the chest (below) shows the lesion consisted of a single cyst. The diagnosis was congenital pulmonary airway malformation type I. Related Published June 26, 2023June 12, 2023