Preoperative irradiation in treatment of carcinoma of the oesophagus.
D004938:Esophageal Neoplasms / Q000473:pathology / Q000532:radiotherapy* / Q000601:surgery; D004947:Esophagus / Q000473:pathology; D006801:Humans; D008207:Lymphatic Metastasis; D009364:Neoplasm Recurrence, Local; D011300:Preoperative Care