Fig. 1
From: Pulmonary sequestration in adults: a retrospective review of resected and unresected cases
a: Pulmonary sequestration (intralobar) presenting as a multi-cystic lesion in the postero-basal segment of the left lower lobe. b: Pulmonary sequestration (extralobar) presenting as extra-pulmonary mass in the right paravertebral region. c: Pulmonary sequestration (intralobar) presenting as an area of hyperlucency and dilated bronchus filled with mucus in the right lower lobe. d: Left lower lobe sequestration (intralobar) presenting as a mass in the left lower lobe with feeding artery from descending aorta