Mediastinoscopy.
D001943:Breast Neoplasms / Q000175:diagnosis / Q000601:surgery; D004724:Endoscopy / Q000009:adverse effects; D005260:Female; D006801:Humans; D008207:Lymphatic Metastasis; D008297:Male; D008477:Mediastinal Diseases / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000601:surgery; D008479:Mediastinal Neoplasms / Q000175:diagnosis; D008482:Mediastinum; D011379:Prognosis; D011658:Pulmonary Fibrosis / Q000175:diagnosis / Q000000981:diagnostic imaging; D011859:Radiography; D012507:Sarcoidosis / Q000175:diagnosis