Abstract
Breast cancer occupies a leading position worldwide in the structure of oncological diseases in terms of morbidity and mortality. The life expectancy of patients has increased significantly due to the development of modern treatment methods such as targeted therapy, hormone and immunotherapy. This kind of treatment became available as a result of studying the molecular genetic features of breast cancer and the emergence of new diagnostic methods for detecting molecular structures. Currently, breast cancer treatment protocols are periodically updated and changed according to the results of modern research and the emergence of a new spectrum of targeted drugs and new targets for the drugs. In this review, we summarized the achievements of modern medicine in the field of molecular genetics and the features of breast cancer pathogenesis, such as luminal types of breast cancer, androgen positive types of breast cancer, new features of Her2/neu and Ki-67 overexpression.
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