Cervical mediastinal lymph node exploration for diagnosis and determination of operability.
D001706:Biopsy; D002283:Carcinoma, Bronchogenic / Q000175:diagnosis*; D003949:Diagnostic Techniques, Surgical; D004724:Endoscopy; D006801:Humans; D008198:Lymph Nodes / Q000473:pathology*; D008479:Mediastinal Neoplasms / Q000175:diagnosis; D009333:Neck; D009362:Neoplasm Metastasis / Q000175:diagnosis