Dual Outlet Right Ventricle (DORV) status post Fontan as palliation for common atrioventricular canal defect causing functional single ventricle heart disease 

Other features include:

• Interrupted inferior vena cava (IVC) with azygus continuation to the left superior vena cava (SVC),
• Bilateral SVCs
• ligated native pulmonary artery (PA)
• heterotaxy