Radiotherapy in the treatment of cancer of the oesophagus.
D002294:Carcinoma, Squamous Cell / Q000532:radiotherapy*; D003036:Cobalt Isotopes / Q000627:therapeutic use; D004938:Esophageal Neoplasms / Q000401:mortality / Q000532:radiotherapy* / Q000601:surgery; D006801:Humans; D011882:Radiotherapy, High-Energy
D003036:Cobalt Isotopes