Mediastinoscopy.
D000293:Adolescent; D000368:Aged; D001706:Biopsy; D005260:Female; D006801:Humans; D008171:Lung Diseases / Q000175:diagnosis*; D008175:Lung Neoplasms / Q000175:diagnosis; D008198:Lymph Nodes / Q000473:pathology; D008477:Mediastinal Diseases / Q000175:diagnosis*; D008482:Mediastinum