title: The indications for mediastinoscopy.
mesh_terms: D001706:Biopsy; D004724:Endoscopy; D006801:Humans; D008175:Lung Neoplasms / Q000175:diagnosis; D008207:Lymphatic Metastasis / Q000175:diagnosis; D008297:Male; D008479:Mediastinal Neoplasms / Q000175:diagnosis; D008482:Mediastinum; D008875:Middle Aged