"There is increasing evidence to support the concept of sequestrations stemming from recurrent infections that produce aberrant arterial vessels arising from the aorta 6. Feeding vessels include branches from the thoracic aorta (75%), abdominal aorta, intercostal artery or multiple arteries. Venous drainage commonly occurs via the pulmonary venous system."
"There is a strong predilection towards the lower lobes (predominantly the left lower lobe)."