[On a primary sarcoma of the esophagus].
D000368:Aged; D003036:Cobalt Isotopes; D004938:Esophageal Neoplasms / Q000532:radiotherapy*; D004945:Esophagoscopy; D006801:Humans
D003036:Cobalt Isotopes
Uber ein primäres Osophagussarkom.