下咽癌发病率较低,但由于其位置隐蔽,早期症状不明显,患者就诊时往往已近中晚期,肿瘤范围较大,易侵犯喉部并早期出现颈淋巴结转移。传统观念考虑应行喉全切及喉咽肿瘤切除并行淋巴结清扫术以期达到彻底切除肿瘤的目的,但全喉切除后喉功能丧失,生存质量下降。对于肿瘤未广泛侵犯转移,喉部未双侧受侵犯的患者,在安全切除肿瘤的同时适当保留未受侵犯的喉部组 Hypopharyngeal cancer incidence is low, but because of its hidden position, the early symptoms are not obvious, the patient is often nearly mid-late treatment, a larger tumor range, easy to violate the throat and early cervical lymph node metastasis. The traditional concept should be line of laryngectomy and laryngectomy resection of lymph node dissection in parallel with the purpose of complete removal of the tumor, but laryngectomy after total laryngectomy, decreased quality of life. For patients whose tumors have not been extensively infiltrated and whose throat has not been inflamed on both sides, the non-violated laryngeal group is properly preserved while safely resecting the tumor