Radiotherapy has been confirmed as an important treatment breast-conserving surgery reducing the risk of any recurrence of breast cancer and breast cancer-related mortality in patients with early breast cancer.
There are no comparative data on the ideal radiotherapy treatment regimen for patients with early stage breast cancer who underwent conservative surgery in the Brazilian population.
Information to the patient and signed informed consent;
Women aged ≥50 years
Breast conserving surgery
Pathologic tumor size < 3 cm (maximum microscopic diameter of the invasive component)
Previous malignancy (except non-melanomatous skin cancer)
Mastectomy
Classical-Type Invasive Lobular Carcinoma
Neoadjuvant chemotherapy