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A 54-year-old man with a history of smoking presented with acute chest pain at another hospital, where a chest radiograph was obtained as part of diagnostic testing. A mass in the right lung was incidentally detected on the radiograph. He was referred to this hospital, where computed tomography of the chest revealed a soft-tissue mass in the right lower lobe that was in contact with the posterior chest wall (Panel A, arrow). Since the contact area exceeded 5 cm in length, there was concern about chest-wall invasion. A cine magnetic resonance imaging scan, obtained with the use of a real-time . . . [Full Text of this Article] |