BREAST CANCER EPIDEMIOLOGY (LITERATURE REVIEW)
Introduction. The steady increase in the incidence of breast cancer in the world, as well as in our country dictates continuation of epidemiological studies, despite of the fact that a lot of researches were devoted to the study of breast cancer (BC). In the structure of women’s oncologic morbidity in economically developed countries, breast cancer is in the first place, significantly staying ahead of other tumors. Every year more than 2000000 women (10-18% of all malignancies) fall ill with breast cancer in the world. Epidemiological data of scientist Steward B., Wild C.P. testify about that in the XXI century breast cancer remains the most acute medical and social problem. Every year up to four thousands of new cases of this cancer are detected in Kazakhstan, while there is a rejuvenation of the female population of the city. Therefore, the urgency of the problem is determined by the increasing incidence of breast cancer worldwide, as well as in the CIS countries and our country. Interest in this problem is also due to the fact that breast cancer in the structure of women’s mortality from malignant tumors takes a leading place. Methods: retrospective descriptive epidemiological research. The search duration is 15 years, from 2004 to 2018. Conclusion. A literature review of foreign and national sources showed that the incidence of breast cancer in women tends to spread globally, and in different countries in different ways. In the CIS countries and in Kazakhstan, breast cancer consistently takes the first place in the structure of cancer incidence in women and are gradually increasing. This disease takes a leading position among other oncologic diseases due to the mortality.