[Table/Fig-5b]:

An eight-month-old male with cyanosis at birth, feeding difficulty and failure to demonstrate pulmonary artery on echocardiography: Diagnosed with pulmonary atresia: (e) Axial CT slightly at a lower level shows blind ending pulmonary infundibulum (angled arrow). Main pulmonary artery is absent. Right and left pulmonary arteries reconstituted by collaterals (triangles); (f) 3D reconstruction of aorta shows enlarged collateral arteries (arrow) (MAPCA).