Figure 1 .

Chest CT showing an infiltrative shadow along the cyst wall with an irregular emphysematous cyst in the right upper lobe (arrow); (a) Axial view and (b) coronal view.

Chest CT showing an infiltrative shadow along the cyst wall with an irregular emphysematous cyst in the right upper lobe (arrow); (a) Axial view and (b) coronal view.