一个异常的巴氏检查可能表明了一种可以治疗的癌前期病变。
An abnormal Pap test could indicate a precancerous condition that can be treated.
不仅是他们的癌前期病变消失了，他们的皮肤也改善了，Sachs说。
Not only are their pre-cancers gone but the quality of their skin seems to be improved, " Sachs said."
目前预防宫颈癌的最佳办法是通过定期的妇科筛检并在必要时治疗有关的癌前期病变。
Currently, the best way to prevent cervical cancer is through regular gynaecological screening and, when necessary, treatment of associated pre-cancerous lesions.
Sachs认为对于有癌前期病变的病人，这一发现可以促使他们更好的完成治疗。
Sachs said for patients with precancerous spots, the findings may be an added inducement to finish treatment.
结论：活检手术及复发后彻底切除病变，密切随访，及时进行中医药治疗是应对癌前期病变的有效方法。
Conclusion: Complete resection after biopsy and recurrence, close follow-up, and combined therapy with traditional Chinese medicine and Western medicine are effective ways to control precancerosis.
医生运用几种措施筛查结肠癌以及癌前期病变，包括血液检测以及如x 线和CT筛查（也称虚拟结肠镜）的影像学手段。
Doctors use several tools to screen for colon cancer and precancerous lesions, including blood tests and imaging technologies such as X-rays and CT scans (also known as "virtual" colonoscopies).
新的研究资料表明，在北美洲，这个疫苗减少约三分之二的由HPV导致的癌前期病变的发生率，这些病变由三个最常见的HPV菌株引起。
New analysis of that data shows the vaccine reduced incidence of HPV-caused precancerous lesions by nearly two-thirds for the three next most common HPV strains in North America.
如同大多数疫苗一样，任何筛选试验的程序都不是百分之一百的有效。举例来说，有一小部分妇女的癌前期病变细胞在筛选试验中显示假阴性而逃过了检测。
As with any screening test, and most vaccines, the process is not 100 percent effective, and a small number of women with precancerous cells escape detection with false negative tests, for example.
如同大多数疫苗一样，任何筛选试验的程序都不是百分之一百的有效。举例来说，有一小部分妇女的癌前期病变细胞在筛选试验中显示假阴性而逃过了检测。
As with any screening test, and most vaccines, the process is not 100 percent effective, and a small number of women with precancerous cells escape detection with false negative tests, for example.
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