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Chest CT scan of middle mediastinal paraganglioma. (A,B) Chest CT scan showing a middle mediastinal paraganglioma (arrow), about 3.5 cm in diameter, adjacent to the superior vena cava, the aortic arch, the right branch of the pulmonary artery and the trachea; (C) contrast enhancement reveals vascular supply from the right subclavian and jugular veins (arrows). CT, computerized tomography.
