To the Editor: Lung is the most frequent site for metastasis from osteosarcoma. Usually, the presentation is with well-defined parenchymal nodules, and unusually with pleural deposits, calcification, or mediastinal nodes. Metastases from osteosarcoma presenting as an isolated endobronchial lesion is discretely rare. We recently encountered a case of small cell osteosarcoma with recurrent hemoptysis and an isolated endobronchial metastasis.
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