[Diagnosis and therapy of esophageal cancer--comparison of the clinical conditions before and after megavolt radiotherapy].
D000328:Adult; D000368:Aged; D002294:Carcinoma, Squamous Cell / Q000473:pathology; D004906:Erythrocyte Count; D004938:Esophageal Neoplasms / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000401:mortality / Q000473:pathology / Q000532:radiotherapy; D004945:Esophagoscopy; D005260:Female; D006801:Humans; D007958:Leukocyte Count; D008111:Liver Function Tests; D008297:Male; D008854:Microscopy, Electron; D008875:Middle Aged; D009362:Neoplasm Metastasis; D011859:Radiography; D011882:Radiotherapy, High-Energy