anomalous pulmonary venous connection partial anomalous pulmonary venous connection 2010-09-28T03:05:45Z Fyler:2030 MP:0010442 MPheno.ontology PAPVC PAPVR abnormal development and attachment of one to three of the four pulmonary veins that normally attach to the left atrium of the heart, resulting in partial drainage back into the systemic venous circulation via an anomalous connection to the right atrium, the superior or inferior vena cava, the innominate vein, the coronary sinus or the left subclavian artery; in PAPVC, at least one pulmonary vein remains attached to the left atrium csmith partial anomalous pulmonary venous return partially anomalous pulmonary venous connection(s)