Characteristic feature of supracardiac TAPVC --> TAPVC : In this condition, Pulmonary veins instead of draining into left atrium, anomalously drains into the right atrium directly/indirectly 3 types based on level of its drain Supracardiac (MC) --> Drain above level of hea in superior vena cava --> Non-obstructive Cardiac --> Drain at level of hea directly into right atrium or coronary sinus Infracardiac --> Drain below level of hea - IVC/ hepatic vein/ poal vein (always obstructive). X-ray shows" Ground glass " appearance --> Treatment: Surgery OTHER OPTIONS: --> Boot shaped hea/ cor en sabot appearance --> Tetralogy of fallot --> Left axis detion on ECG + congenital cyanotic hea disease --> Tricuspid atresia">