title: Alveolar soft part sarcoma presenting as asymptomatic pulmonary nodules: report of a case with ultrastructural diagnosis.
mesh_terms: D000328:Adult; D006801:Humans; D008175:Lung Neoplasms / Q000175:diagnosis / Q000556:secondary* / Q000648:ultrastructure; D008297:Male; D008854:Microscopy, Electron; D012509:Sarcoma / Q000175:diagnosis / Q000556:secondary* / Q000648:ultrastructure