Mediastinal lesions in children

Figure 21  A 2-year-old male patient with right aortic arch. A: There are complaints of shortness of breath and cough. On posteroanterior chest radiograph, enlargement of the upper mediastinum on the right and compression of the trachea are observed (blue arrow); B: Right aortic arch and left aberrant subclavian artery (blue arrow) are observed in the axial computed tomography angiography images of the same patient. RA: Right aortic arch.