Chest radiographs of a type 1 congenital pulmonary airway malformation (CPAM)*

Chest radiographs (posterior-anterior and lateral views) showing a type 1 congenital pulmonary airway malformation (CPAM) in the right upper lobe. The large cystic lesion was an incidental finding on a film of a one-year-old child who ingested a coin. The coin is visible on both views, lodged in the esophagus.