RADIATION TREATMENT OF CANCER OF THE ESOPHAGUS.
D003036:Cobalt Isotopes; D004938:Esophageal Neoplasms; D006801:Humans; D009369:Neoplasms / Q000532:radiotherapy*; D011379:Prognosis; D011867:Radioisotope Teletherapy; D011879:Radiotherapy Dosage; D011882:Radiotherapy, High-Energy
D003036:Cobalt Isotopes
COBALT ISOTOPES; ESOPHAGEAL NEOPLASMS; NEOPLASM RADIOTHERAPY; PROGNOSIS; RADIOISOTOPE TELETHERAPY; RADIOTHERAPY DOSAGE; RADIOTHERAPY, HIGH ENERGY