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Fig. 5C. Patent ductus arteriosus in 2-year-old boy with murmur on
physical examination. Patent ductus arteriosus was suspected and CT was
subsequently performed. Enhanced sagittal 3D volume-rendered image depicts
patent ductus arteriosus (arrow) and its relationship to pulmonary
artery (P) and aorta (A). Correct diagnosis was made by two observers.
Confidence level was 5 in all cases.