title: Benign fibrous histiocytoma: a rare endobronchial neoplasm.
abstract: Fibrous histiocytomas are rarely found within the lung and have presented as a mass within a major airway only twice previously. This is the third reported case of such a tumor visualized roentgenographically in an airway on the frontal chest film of a patient presenting with recurrent pneumonia.
mesh_terms: D000328:Adult; D001984:Bronchial Neoplasms / Q000150:complications / Q000473:pathology*; D018219:Histiocytoma, Benign Fibrous / Q000150:complications / Q000473:pathology*; D006801:Humans; D008297:Male; D011014:Pneumonia / Q000209:etiology; D012008:Recurrence