title: [Evaluation of postoperative therapy in esophageal neoplasms--postoperative prophylactic radiotherapy applied to the neck and mediastinum].
mesh_terms: D004938:Esophageal Neoplasms / Q000532:radiotherapy* / Q000601:surgery; D006801:Humans; D008482:Mediastinum; D009333:Neck; D011184:Postoperative Period