Figure 2 (A, B): Infant with respiratory distress. (A) Chest radiograph shows a multiseptated cystic lucency (black arrow) in the right lung field with mediastinal shift. A chest tube (white arrow) was inserted after mistaking it for a pneumothorax. (B) CT chest axial section with lung window shows multiple thin-walled cysts in the right upper lobe. Diagnosis was confirmed after surgery as type 1 CCAM