Figure 2.

(a) Photomicrograph showing dilated bronchioles, alveolar ducts and alveoli (H and E ×100). (b) Photomicrograph showing tortuous bronchiole with undulating epithelium (H and E ×40). (c) Photomicrograph showing bronchiole with abnormal cartilage plates (H and E ×40). (d) Photomicrograph showing areas of congenital pulmonary airway malformation (H and E ×100). (e) Photomicrograph showing dilated subpleural lymphatics (H and E×100). (f) Photomicrograph showing dilated peribronchiolar lymphatics (H and E ×100)