Mediastinoscopy and bronchoscopy in carcinoma of the oesophagus.
D001707:Biopsy, Needle; D001999:Bronchoscopy; D004938:Esophageal Neoplasms / Q000601:surgery*; D004947:Esophagus / Q000601:surgery; D006801:Humans; D008481:Mediastinoscopy