Fig. 4From: Imaging of congenital lung diseases presenting in the adulthood: a pictorial reviewCT findings of congenital pulmonary airway malformation (CPAM) in two adult patients. Cysts < 2 cm in type 2 CPAM (a, b) and > 2 cm in type 1 CPAM (c, d) are seen on coronal and axial CT images. Quantitative 3D reconstruction image (e) depicts hyperinflation and lower lung density in the patient with type CPAM 1 (blue area)Back to article page