喉癌患者大部分死于本后肿瘤复发或转移。因此，喉癌预后的关键因素是颈部有无淋巴结转移。组织学证实有淋巴结转移及局部扩散者在选择性颈廓清术后可行放疗，多数领后不理想，使肿瘤局部或远处转移而未行颈廓清术者其复发率及死亡率则更高。几家医院专家采用并推荐选择性颈廓 Most patients with laryngeal cancer died of tumor recurrence or metastasis later. Therefore, the key factor in the prognosis of laryngeal cancer is cervical lymph node metastasis. Histology confirmed that patients with lymph node metastasis and local diffuse after selective neck dissection viable radiotherapy, most of the collar is not ideal, so that the local or remote tumor metastasis without neoplasm clearance who had a higher recurrence rate and mortality. Several hospital specialists recommend and recommend selective necks