Breast cancer (BC) is the most frequent malignant neoplasm in women in Poland and its treatment majorly depends on the degree of disease progression. Surgery is the main radical therapy of BC. In most cases, this therapy involves mastectomy with excision of the lymphatic system of the axilla. Breast-saving treatment is used in patients at early stages of breast cancer. This treatment involves excision of the primary tumour within the broders of the unchanged tissue and of the axillary lymphatic system followed by breast irradiation. The majority of early and late complications of surgery are due to the axillary lymphadenopathy, the sequel of surgical therapy. Early inpatient rehabilitation is initiated on the day of the surgery and aims at ...