MODERN ASPECTS OF BREAST CANCER EPIDEMIOLOGY:LITERATURE REVIEW
The review article presents the world statistics on oncology taken from sources of the world health organization such as the International Agency for Research on Cancer and the database of GLOBOCAN. The main trends in morbidity, survival from breast cancer in various countries of America, Western and Eastern, Central Europe, East and West Asia, South-East and Central Asia are mentioned in the article. Statistics in the CIS countries are given by analogy. Breast cancer is considered as part of the etiopathogenesis of carcinogenesis and that the mammary gland (MG) is dependent on all endocrine and reproductive organs. Risk factors are diverse, but have a common pathogenetic mechanism long-term increased exposure of estrogens in a woman’s body, as well as hereditary and genetic factors, including a personal or family history of breast cancer and hereditary mutations. Moreover, unlike other diseases, the frequency of breast cancer is almost not affected by the standard of living and health development. The ethnicity of the incidence of breast cancer is indicated: white women had the highest rate, followed by African-American women, Hispanic women, Asian-Pacific and American Indians, and Alaskans. The article contains age-related aspects of cases of cancer, as well as statistical age ratings on indicators of breast cancer pathology. The article focuses on the need for early passage of one of the diagnostic methods - mammographic screening, through which it is possible to detect a tumor at an early stage, before the first symptoms of the disease.