我国乳腺癌的发病率越来越高,近年来以每年2.4%~3%的速度持续上升,已成为女性发病率最高的恶性肿瘤。据统计,我国乳腺癌的年平均发病率约为30/10万,城市高于农村,北京等一线城市的发病率甚至高达60/10万,因此,乳腺癌也被称为城市女性的“第一杀手”。更严峻的形势是:乳腺癌的发病年龄呈现逐渐年轻化趋势。我国的乳腺癌发病年龄早于西方国家,发病高峰在45~55岁,平均比西方女性早10年左右。笔者认为,乳腺癌 The incidence of breast cancer in our country is getting higher and higher, in recent years the annual rate of 2.4% to 3% continued to rise, has become the highest incidence of malignant tumors in women. According to statistics, the annual average incidence of breast cancer in our country is about 30/10 million, the urban area is higher than that in rural areas, and the incidence in first-tier cities such as Beijing is as high as 60/10 million. Therefore, breast cancer is also called “ First killer ”. The more serious situation is: the age of onset of breast cancer showed a gradual younger trend. The incidence of breast cancer in China earlier than in Western countries, the peak incidence in 45 to 55 years old, on average, about 10 years earlier than Western women. The author believes that breast cancer