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广东省中山市１９７３年开始建立了鼻咽癌的全市肿瘤发病登记制度，其１９７４一１９８３年的资料已有分析报道。为了解中山市八十年代后期鼻咽癌患者的颈后情况及其影响因素，对中山市１９８４一１９８８年登记的８０８例鼻咽癌患者进行病案追踪调查。８０８例患者的１年、６年生存率分别为８４．６５％和４６．５１％，性别比（男：女）为２．４２：１，发病年龄中位数为４９．６４岁，放疗率为９３．９４％。结合单因素和Ｃｏｘ模型分析，对颈后有影响的因素依标准回归系数大小依次为：发病时年龄，临床分期，颈淋巴结敏感性，确诊日期，颈淋巴结转移，鼻咽放疗疗程，放疗方法，颅神经损害。
Zhongshan City, Guangdong Province in 1973 began to establish the city’s registration system for cancer incidence, the 1974-1983 data have been analyzed and reported. In order to understand the posterior cervical circumstance of nasopharyngeal carcinoma patients and its influencing factors in the late eighties of Zhongshan City, 808 nasopharyngeal carcinoma patients registered in Zhongshan City from 1984 to 1988 were investigated. The 1-year and 6-year survival rates of 808 patients were 84.65% and 46.51%, respectively. The sex ratio (male: female) was 2.42: 1, and the median age of onset was 49.64 years old. The radiotherapy rate 93.94%. According to the univariate and Cox model analysis, the influencing factors to the posterior cervical neck were determined according to the standard regression coefficients in the following order: age of onset, clinical stage, sensitivity of cervical lymph nodes, date of diagnosis, cervical lymph node metastasis, course of radiotherapy of nasopharyngeal radiation, Cranial nerve damage.