Analysis of the dynamics of the incidence of malignant neoplasms in the Republic of Belarus before and after the Chernobyl disaster

The dynamics of age-standardized incidence rates of malignant neoplasms in the Republic of Belarus before and after the Chernobyl disaster has been analyzed. As a result of the analysis over a 46–year period (from 1978 to 2023), more than 5 shapes of dynamic curves were identified. They had from 0 to 3 joint points. A significant increase in the cancer incidence in the early «post–Chernobyl» period was noted only for skin cancer (in men and women), cervical cancer, breast cancer in men, and adrenal gland cancer in men. However, no localizations had the shape of the dynamics similar to the shape of the curve for thyroid cancer incidence. The dynamics of thyroid cancer incidence, unlike other localizations, had 3 trend breakpoints in women and 4 in men, and was generally characterized by positive growth rates.