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Radiation therapy of breast cancer. Reasoned approach to a clinical case.

The case of a patient undergoing quadrantectomy of lower quandrants of the right breast and ipsilateral axillary lymph node dissection for breast cancer followed by adjuvant radiotherapy is discussed. The stage of the disease and prognostic factors are analyzed for prognosis. Comorbidities ruled out chemotherapy. Radiation therapy was planned followed by clinicoinstrumental controls. After the second control ipsilateral costal bone metastases were observed; radiation therapy for palliation was prescribed.