Preoperative radiation therapy and neck dissection.
D004938:Esophageal Neoplasms / Q000628:therapy; D006258:Head and Neck Neoplasms / Q000532:radiotherapy / Q000601:surgery / Q000628:therapy*; D006801:Humans; D007822:Laryngeal Neoplasms / Q000628:therapy; D009062:Mouth Neoplasms / Q000628:therapy; D011879:Radiotherapy Dosage