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Cervical cancer is cancer of the cervix, the lower end of a woman's uterus. It is preceded by a precancerous condition called CIN (cervical intraepithelial neoplasia) or cervical dysplasia which may or may not develop into cancer.
Incidence Cervical cancer is the sixth most common cancer in women in the United States and the most common cancer in women in many economically underdeveloped countries. The rate of cervical cancer has been decreasing steadily over the past several decades in the United States, due in large part to widespread routine Pap smear screening. A Pap smear is used to detect the early growth of precancerous CIN cells in the cervix and is the single most important step a woman can take to prevent cervical cancer. In many developing countries where preventative health measures are not routine, the incidence and mortality from cervical cancer continue to rise.
Complications Various studies have predicted that, if left untreated, anything between 15% and 70% of CIN cases will eventually develop into invasive cervical cancer. |
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