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Synchronous triple malignant tumors of the lung. A case report of bronchial carcinoid, small cell carcinoma, and adenocarcinoma of the right lung.

The authors report a case in which a highly unusual, simultaneous occurrence of a peripheral small cell carcinoma and a central bronchial carcinoid in the right upper lobe and a peripheral adenocarcinoma in the right middle lobe was observed. This is the fourth case of triple lung cancer reported in the literature. The role of computerized tomography in disclosing multiple lung carcinomas and the significance of the concurrence of pulmonary small cell carcinoma and bronchial carcinoid are discussed.