1. Presented by Fred Askin, M.D. and prepared by Carol Allan, M.D.

The patient is a 50-year-old woman with a history of cigarette smoking. The patient had a variety of systemic complaints but underwent surgery because of a solitary pulmonary nodule in the right upper lobe. The lesion had doubled in size over a five month period. At the time of surgery, the lesion was 2 cm. in diameter.

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