SUPPORT TOOL FOR DECISION-MAKING IN SELECTING CHEMOTHERAPY TACTICS FOR TREATMENT OF BREAST CANCER PATIENTS.

Breast cancer (BC) is the most commonly occurring oncologic disease in women over the world. The introduction of modern methods of diagnostics and treatment of BC patients allowed achieving some success in the disease control. Chemotherapy (CT) is one of the most effective treatments for BC patients, but the individualization of the choice of effective treatment regimens remains an unresolved issue.