Anomalous pulmonary venous return

Anomalous pulmonary venous connection (or anomalous pulmonary venous drainage or anomalous pulmonary venous return) is a congenital defect of the pulmonary veins. Total anomalous pulmonary venous connection Total anomalous pulmonary venous connection, also known as total anomalous pulmonary venous return, is a rare cyanotic congenital heart defect in which all four pulmonary veins are malpositioned and make anomalous connections to the systemic venous circulation. [Source: Wikipedia ]

Synonyms
Anomalous pulmonary venous connection
APVC
APVR
OrphaNet reference
Congenital pulmonary venous return anomaly 
Subtypes
Partial anomalous pulmonary venous return
Total anomalous pulmonary venous return