Cobalt-60 teletherapy for palliation of carcinoma of the thoracic esophagus.
D003035:Cobalt; D003037:Cobalt Radioisotopes; D004938:Esophageal Neoplasms; D006801:Humans; D008482:Mediastinum; D010166:Palliative Care
D003037:Cobalt Radioisotopes; D003035:Cobalt
COBALT/radioactive; ESOPHAGUS/neoplasms