Breast cancer is statistically the most frequently diagnosed malignant disease in women in modern times. Most often, they start with a lump inside the breast tissue that does not disappera on its own. Iti s diagnosed by clinical examination, inspection and palpation of the breast, and examinations such as breast ultrasound, mammography, magnetic resonance, tissue biopsy etc. The treatment of breast cancer is multidisciplionary and largely depends on the condition and stage at which it was detected. The earlier the tumor is detected, the more likely it is to be completely cured. In recent times, sparing operations are used, but in rare cases, mastectomy is performed, which leaves great psychological and physical consequences for the person. Therefore, timely, comprehensive and individualized rehabilitation, which consists od pre – operative preparation, early and late postoperative physiotherapy and late physiotherapy, is of utmost importance, with the aim of pain control, maximum improvement of the general status of the patient, returning to the state before surgery, reintegrating into society, returning to the activities of everyday life and increasing the quality of life.