<unk>  is a<unk>  anomaly in which the superior<unk> <unk>  or inferior<unk> <unk>  has an aberrant interruption or coarctation. In some cases, it can be asymptomatic, and in other cases it can lead to fluid accumulation and cardiopulmonary collapse.
Congenital stenosis of vena cava
Persistent left superior vena cava
Absent pulmonary valve syndrome
Aneurysm of sinus of Valsalva
Anomalous pulmonary venous connection
Interrupted aortic arch
Stenosis of pulmonary artery
Aberrant subclavian artery