Technique of mediastinoscopy.
D001706:Biopsy; D006801:Humans; D008198:Lymph Nodes / Q000473:pathology; D020707:Mediastinoscopes; D008481:Mediastinoscopy; D008482:Mediastinum / Q000601:surgery; D008722:Methods; D012507:Sarcoidosis / Q000175:diagnosis; D014132:Trachea / Q000601:surgery