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在北京上海等地,乳腺癌发病率占女性恶性肿瘤的第一位或第二位。知道了引起乳腺癌的原因,我们就可以避免它。
In Beijing, Shanghai and other places, the incidence of breast cancer accounted for the first female or second malignant tumor. Know the cause of breast cancer, we can avoid it.