The incidence of breast cancer is increasing year-by-year and is the most common malignant tumor in Chinese women. During the past half century, numerous studies in various countries around the world have confirmed that breast cancer screening is the most effective way of improving the rate of early diagnosis, survival rate, and the quality of life of breast cancer patients. Developed countries such as European countries, the United States, and Japan have developed and implemented guidelines for population-based breast cancer screening since the end of the last century. The 5-year survival rate of breast cancer has been increased to 89%. The World Health Organization has stated that early breast cancer is a curable disease, and early diagnosis/treatment is the best way to improve the survival rate of breast cancer.
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