Distant metastasis of breast cancer

The first 2-3 years after early breast cancer surgery is the peak of recurrence. Even after receiving the traditional drug tamoxifen, there is still a risk of recurrence. 75% of these relapsed patients will develop bone, lung, liver, bone marrow, brain, ovaries Such as distant metastases of organs and tissues, and these distant metastases are often life-threatening. Some data show that patients with distant metastases have a mortality rate of 75% within 5 years after diagnosis, and the median survival time of patients with distant metastases is only 18-24 months.