title: [Radiographic evaluation of preoperative radiotherapy for esophageal neoplasms].
mesh_terms: D004938:Esophageal Neoplasms / Q000000981:diagnostic imaging* / Q000532:radiotherapy / Q000601:surgery; D005069:Evaluation Studies as Topic; D006801:Humans; D011300:Preoperative Care; D011859:Radiography