Admission chest computed tomography (CT) showing a large cavitating necrotic mass in the right middle lobe contiguous with the mediastinum, invading the superior vena cava and right atrium with surrounding patchy lung consolidation. The tumor mass also encases the bronchus intermedius and anterior segment bronchus of the right upper lobe.Abbreviations: Ao, aorta; mPA, main pulmonary artery; LA, left atrium.Yellow asterisk (bottom of superior vena cava and top of right atrium).