A 70-year-old white man was referred for evaluation of pulmonary infiltrates and bronchiectases associated with cough and constitutional symptoms. He was in his usual state of health until he acquired B-cell non-Hodgkin lymphoma (NHL) in 1990. The lymphoma was localized to his stomach, and he was treated with surgical resection; chemotherapy with cyclophosphamide, vincristine, prednisone, and hydroxyurea; and radiation to the gastric bed. One year later, left lower lobe pneumonia developed that was treated with antibiotics. Because of persistent infiltrates, bronchoscopy was performed, with biopsy specimens revealing no abnormalities, and bronchiectases was diagnosed based on radiographic features.