Abstract
Mediastinal adenopathy and endobronchial metastases are sometimes the only radiological manifestation of metastatic disease from extrathoracic neoplasms. We report on four patients in whom hilar and paratracheal adenopathy (n = 3) and endobronchial involvement (n = 1) were the only intrathoracic manifestations of metastatic renal cell carcinoma. Three of the patients had nephrectomies 9 months to 4 years before the appearance of intrathoracic disease; another patient presented with medastinal disease as the initial manifestation of renal cell carcinoma. If a patient with a history of renal cell carcinoma develops pulmonary hilar adenopathy, metastatic disease should be suspected and appropriate diagnostic measures should be taken.
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