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乳腺癌是妇女常见恶性肿瘤之一。全球每年约120万女性被查出患有乳腺癌,约50万女性死于乳腺癌,相当于全球平均每1 min就有1名女性死于乳腺癌。中国近年成为乳腺癌发病率增长最快的国家之一,在北京、天津、上海等大中城市,乳腺癌已跃居女性恶性肿瘤之首。我国乳腺癌患者发病年龄较轻,从30岁开始出现,40~49岁时发病高峰,比西方女性一般要早10~15年。乳腺癌的二级预防已
Breast cancer is one of the common malignant tumors in women. About 1.2 million women worldwide are diagnosed with breast cancer each year, and about 500,000 women die of breast cancer, equivalent to 1 woman dying of breast cancer every 1 min globally. In recent years, China has become one of the countries with the highest incidence of breast cancer. In Beijing, Tianjin, Shanghai and other cities, breast cancer has leapt to the top of female malignancies. The incidence of breast cancer patients in China is relatively young, from the age of 30, the peak incidence of 40 to 49 years old, as early as Western women generally 10 to 15 years. Secondary prevention of breast cancer has