title: Mediastinoscopy in bronchogenic carcinoma: a routine or a selective preoperative procedure?
mesh_terms: D002283:Carcinoma, Bronchogenic / Q000175:diagnosis* / Q000601:surgery; D003951:Diagnostic Errors; D005069:Evaluation Studies as Topic; D006801:Humans; D008175:Lung Neoplasms / Q000175:diagnosis* / Q000601:surgery; D008481:Mediastinoscopy