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宫颈癌是最常见的妇科恶性肿瘤之一，为加强妇女保健工作，早斯发现宫颈癌对于其治疗及愈后有重要意义．正常细胞突变成癌细胞的根本原因是遗传物质DNA的改变川．本文对宫颈癌患者外周血淋巴细胞姐妹染色单体变换（SCE）的出现率的研究，以探讨细胞癌变中DNA的变化，进一步了解
Cervical cancer is one of the most common gynecological malignancies. In order to strengthen women’s health care, cervical cancer has long been found to have important significance for its treatment and prognosis. The basic reason that normal cells mutate into cancer cells is the change of genetic material DNA. In this paper, the incidence of peripheral blood lymphocyte sister chromatid changes (SCE) in patients with cervical cancer was studied in order to investigate the changes of DNA in cancerous cells and further understand