title: Role of radiation therapy in esophageal carcinoma.
mesh_terms: D000368:Aged; D004938:Esophageal Neoplasms / Q000000981:diagnostic imaging / Q000532:radiotherapy* / Q000601:surgery; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography; D011879:Radiotherapy Dosage