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宫颈上皮内瘤变(cervical intraepithelial neoplasia,CIN)包括了宫颈癌的所有癌前病变和原位癌,根据病变程度分为Ⅰ、Ⅱ、Ⅲ级。它反映了宫颈癌发生发展中的连续过程,从CIN发展成为宫颈癌一般约需10年时间,所以医生和患者都有时间和能力去发现、治疗CIN,以阻止其发展为浸润癌,
Cervical intraepithelial neoplasia (cervical intraepithelial neoplasia, CIN) includes all precancerous lesions of cervical cancer and carcinoma in situ, according to the degree of disease is divided into Ⅰ, Ⅱ, Ⅲ grade. It reflects the continuous process of cervical cancer development, from CIN to cervical cancer generally takes about 10 years, so doctors and patients have the time and ability to find, treat CIN, to prevent the development of invasive cancer,