Objective: Study the nature of structural and functional changes in the thyroid gland in patients with malignant tumors of the mammary glands that have suffered from the Chornobyl accident.
Materials And Methods: Examination of 80 patients with malignant tumors of the mammary glands at the age of 27-85 years. In 78 patients were diagnosed with breast cancer with different stages of the spread of the tumor process.