Fig. 16From: Looking beyond the thrombus: essentials of pulmonary artery imaging on CTContrast enhanced axial CT images in a patient with transposition of great vessels demonstrates the characteristic appearance post-arterial switch. The pulmonary arteries (arrow) are positioned anterior to the aorta with the left and right main branches draping around the aorta. There is a higher incidence of pulmonary artery stenosis in these patientsBack to article page