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宫颈癌是指发生在宫颈阴道部或移行带的鳞状上皮细胞及宫颈管内膜的柱状上皮细胞的恶性肿瘤,是女性最常见恶性肿瘤之一。其平均发病年龄因各国、各地而异,我国发病年龄以更年期(40～50岁)为最多,60～70岁又有一高峰出现,20岁以前较少。
Cervical cancer is a malignant tumor of columnar epithelial cells that occur in the squamous cells of the cervix and vagina or in the transitional zone, and is one of the most common malignant tumors in women. The average age of onset varies from country to country. The age of onset in our country is menopause (40-50 years old), the highest is in 60-70 years old and the age is less than 20 years old.