An experience with pre-scalene lymph node biopsy and mediastinoscopy.
D001706:Biopsy; D004724:Endoscopy; D006801:Humans; D008198:Lymph Nodes / Q000473:pathology*; D008482:Mediastinum; D008722:Methods; D009333:Neck; D013896:Thoracic Diseases / Q000175:diagnosis