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A 51-year-old man was admitted to our hospital with a chief complaint of cough. His chest X-ray and CT scan revealed enlargement of a left hilar lymph node. However, no primary lesion was apparent in the rest of the lung. Bronchofiberscopic findings were essentially normal. At surgery the mass was determined to be an enlarged lymph node (No. 11). No apparent malignant lesion was identified in...
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