Carcinoma of the esophagus: cobalt 60 teletherapy.
D002277:Carcinoma / Q000532:radiotherapy*; D003035:Cobalt; D003037:Cobalt Radioisotopes; D004938:Esophageal Neoplasms; D006801:Humans
D003037:Cobalt Radioisotopes; D003035:Cobalt
CARCINOMA/radiotherapy; COBALT/radioactive; ESOPHAGUS/neoplasms