THE ROLE OF IMMUNOTHERAPY IN METASTATIC BREAST CANCER (LITERATURE REVIEW)

Resume. Breast cancer is a serious health problem worldwide. More than 1 million 200 thousand new cases of breast cancer are diagnosed annually, which is 10% of all oncological diseases in the world. Breast cancer is a disease in which pathological cells in the tissues of the mammary gland begin to divide uncontrollably and form a tumor. Without treatment, the tumor can spread to other areas of the body and lead to death. The article reflects new technologies for the diagnosis and treatment of breast cancer. New technologies for cancer staging, lymphatic dissection formed the basis of a new method for treating breast cancer. Thanks to the emergence of new technical means, the possibilities for more precise diagnostics of breast cancer and individualization of treatment with priority given to organ-preserving surgical interventions are increasing. Keywords: breast cancer, lymph node, Immunotherapy, T cell, PD-L1 and PD-1