title: [Role of esophagoscopy in the evaluation of the effectiveness of preoperative radiation therapy of esophageal cancer].
mesh_terms: D000328:Adult; D000368:Aged; D004938:Esophageal Neoplasms / Q000000981:diagnostic imaging / Q000532:radiotherapy* / Q000601:surgery; D004945:Esophagoscopy; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011300:Preoperative Care; D011859:Radiography
vernacular_title: Rol' ezofagoskopii v otsenke effektivnosti predoperatsionnoĭ luchevoĭ terapii raka pishchevoda