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Figure 4: Postnatal cardiac CT angiogram (a) axial CT image demonstrating aneurysmal dilatation main pulmonary artery but with no significant dilatation of the pulmonary branches. (b) Sagittal CT image showing the markedly hypertrophied RV, constriction at the level of the pulmonary annulus, and aneurysmal dilatation of the main pulmonary artery. A: Aorta, CT: Computed tomography, PA: Pulmonary artery, RV: Right ventricle

Figure 4:  Postnatal cardiac CT angiogram (a) axial CT image demonstrating aneurysmal dilatation main pulmonary artery but with no significant dilatation of the pulmonary branches. (b) Sagittal CT image showing the markedly hypertrophied RV, constriction at the level of the pulmonary annulus, and aneurysmal dilatation of the main pulmonary artery. A: Aorta, CT: Computed tomography, PA: Pulmonary artery, RV: Right ventricle