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Fig. 1A. Right aortic arch with aberrant left subclavian artery in
10-year-old girl with cough and suspected pneumonia. Chest radiograph showed
mediastinal widening. In this case, accuracies for making correct diagnosis
were 100% for all observers and image types. Enhanced axial CT image shows
right aortic arch (R) with aberrant left subclavian artery
(arrow).