Case 14-1962

Presentation of Case First admission. A fifty-nine-year-old man was referred to the hospital because of a mediastinal mass.Two years previously an x-ray film of the chest taken at another hospital after an upper respiratory infection showed a mediastinal mass; no additional studies were performed at that time. The patient was asymptomatic until three weeks before admission, when a mild upper respiratory infection again developed. An x-ray film of the chest taken shortly before entry demonstrated slight enlargement of the mass.Physical examination revealed bronchial breath sounds and slight dullness to percussion over the left scapula. X-ray films of . . .