First of all, among many malignant tumors in the human body, breast cancer treatment is relatively very standardized and has a very good outcome, with an overall 5-year survival rate of about 80%. If the tumor is very early, for stage I breast cancer patients, it can basically reach about 90%. For patients with advanced breast cancer, if they are treated aggressively, including chemotherapy, radiotherapy, endocrine therapy, targeted therapy, etc., some reports indicate that the 5-year survival can reach about 40%-50%. However, this is a statistical concept and the results vary from person to person, some people may have a recurrence 1-2 years after surgery, while others may live longer. Therefore, when breast cancer is detected, standardized treatment must be adopted, including surgery and radiotherapy after surgery, as well as regular follow-up visits to the hospital, because if metastasis or recurrence is detected at an early stage during the follow-up, there is still a way to treat it.