Radiation therapy of esophageal cancer and its results.
D000368:Aged; D003036:Cobalt Isotopes / Q000627:therapeutic use; D004938:Esophageal Neoplasms / Q000000981:diagnostic imaging / Q000401:mortality / Q000532:radiotherapy*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography; D011867:Radioisotope Teletherapy; D011879:Radiotherapy Dosage; D011882:Radiotherapy, High-Energy
D003036:Cobalt Isotopes