乳腺癌发病率占全身恶性肿瘤的7%~10%,女性一生中患乳腺癌的可能性为10%,全世界每年约有120万妇女患乳腺癌,有40万人死于该病,并且以每年2%~3%的速度递增,我国乳腺癌的发病率明显上升,已跃居女性恶性肿瘤的首位。近10年来,我国因乳腺癌死亡人数年均达4万余人[1]。因此,提高生存 The incidence of breast cancer accounts for 7% to 10% of systemic malignancies. Women are 10% more likely to have breast cancer in their lifetime. About 1.2 million women worldwide develop breast cancer every year, and 400,000 die from the disease. To 2% to 3% annual rate of increase, the incidence of breast cancer in China increased significantly, has leapt to the top of female malignant tumors. In the past 10 years, the number of deaths from breast cancer in China reached an average of more than 40,000 per year [1]. Therefore, improve survival