ABSTRACT
The aim of the study was to analyze the most significant studies representing the basic principles of diagnosis and treatment of patients with breast cancer (BC) during the CO VID -19 pandemic. Material and Methods. The search for relevant sources was carried out in PubMed, Cochrane Library, Web of Science systems, publications for 2019-2020 were studied, 48 of which were used to write this review. Results. During the CO VID -19 pandemic, it is necessary to suspend screening examinations for a certain period of time;patients with early and metastatic breast cancer should be transferred to outpatient treatment in the LU s located in their place of residence. Examinations and consultations of patients undergoing hormone therapy should be postponed or carried out using telemedicine technologies. Treatment of breast cancer patients during a pandemic should be carried out according to clinical guidelines and protocols, but minimizing the number of visits to the hospitals. Conclusion. The pandemic of the novel coronavirus infection (CO VID -19) is a serious problem for healthcare and professionals around the world. All treatment decisions must be based on risks and benefits in the context of each stage of the pandemic, on an individual basis and taking into account the preferences of patients.