颈侧清扫术(lateral neck dissection, LND)作为新的颈淋巴结清扫术已被广泛应用于cN0(临床诊断无颈淋巴结转移)的上消化—呼吸道鳞癌的颈部处理。由于其手术创伤小,功能保留较好,在西方国家已逐渐替代了根治性或改良性颈清扫术[1,2],临床实践中疗效较好。在此基础上,有些学者 As a new cervical lymph node dissection, lateral neck dissection (LND) has been widely used in the neck of upper digestive-respiratory squamous cell carcinoma of cN0 (clinical diagnosis of cervical lymph node metastasis). Because of its small surgical trauma, better retention of function, in Western countries have gradually replaced radical or modified neck dissection [1,2], clinical efficacy is better. On this basis, some scholars