摘要
Pulmonary arteriovenous fistula（PAVF） is a rare congenital pulmonary vascular malformationwith the incidence of 2-3/100,000. It is the abnormal communication between the pulmonary artery and pulmonary vein.
Pulmonary arteriovenous fistula（PAVF） is a rare congenital pulmonary vascular malformationwith the incidence of 2-3/100,000. It is the abnormal communication between the pulmonary artery and pulmonary vein.
