下咽癌及下咽颈段食管癌,是头颈部恶性肿瘤中生物学行为较恶劣、颈部转移早、预后较差的一种,因其毗邻的器官多,解剖复杂,手术后重建上消化道方法困难,国内很多医疗单位都将此类肿瘤给予单纯放疗,5年生存率低于16％。国外自60年代初,已有一些人对晚期下咽癌行胃咽吻合、结肠代食管的手术,至今为 Hypopharyngeal and pharyngeal esophageal cancer is a head and neck malignant tumor biological behavior worse, early cervical metastasis, the prognosis is poor, because of its adjacent organs and more complicated anatomy, postoperative reconstruction Difficulties in the digestive tract, many domestic medical institutions will give such tumors radiotherapy alone, 5-year survival rate of less than 16%. Abroad since the early 60s, there have been some people who had gastric oropharyngeal anastomosis and colon-esophagectomy for advanced hypopharyngeal carcinoma,