An Unusual Cause of Hemoptysis: Congenital Absence of the Right Pulmonary Artery in a Young Male

Unilateral absent pulmonary artery (UAPA) is rare and can occur in association with cardiovascular anomalies or in isolation.Herein, we describe a case of isolated UAPA in a 14-yearold male patient who presented with hemoptysis secondary to abnormal hypertrophy of collateral vasculature.The patient was successfully treated by endovascular embolization with polyvinyl alcohol particles.