Abstract
• Postoperative RT is strongly recommended after breast-conserving surgery (BCS). Boost irradiation gives a further risk reduction and is usually indicated for most of the patients regardless of risk factors. • Shorter fractionation schemes have been validated in large prospective studies. Currently, the ideal candidates are considered being at least 50 years old with unicentric, unifocal, node-negative, small non-lobular BC, without extensive intraductal component or lymphovascular invasion • Postmastectomy RT is recommended for patients at a high risk of local recurrence, including those with four or more positive axillary lymph nodes or involved resection margins. • Postmastectomy RT should be also considered for patients at an intermediate risk of local recurrence, including those with one to three lymph nodes involved, lymphovascular invasion, grade 3 and ER-negative tumours.
Future directions. Given its greater convenience and perceived better associated quality of life, accelerated partial-breast radiation (APBI) is becoming an increasingly popular alternative to conventional whole-breast irradiation (WBI) among women with early-stage breast cancer. Published data on APBI are still limited, while prospectively collected phase II trials have shown high rates of local control in appropriately selected patients.
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Websites in Appendix: Adjuvant Radiotherapy, A-4.2.
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Pluchinotta, A.M., Leonardi, M.C., Lora, O. (2015). The Role of Adjuvant Radiation Therapy in BC. In: Pluchinotta, A. (eds) The Outpatient Breast Clinic. Springer, Cham. https://doi.org/10.1007/978-3-319-15907-2_17
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