Accelerated partial breast irradiation in elderly breast cancer patients.

Breast-conserving surgery with adjuvant whole-breast irradiation has become the standard treatment for early breast cancer (EBC) patients. Partial breast irradiation, which targets only the postoperative cavity, has been established as an alternative to whole-breast therapy in selected patients. The treatment of elderly breast cancer patients differs from the therapeutic approach in younger ones, as elderly patients are prone to geriatric frailty and comorbid conditions, the incidence and severity of which increase with age. A review of the evidence, process, techniques, and results of accelerated partial breast irradiation (APBI) in elderly EBC patients, seems to indicate that APBI is an advisable postoperative approach in properly selected elderly EBC patients, combining advantages of a radical approach that minimizes the risk of undertreatment with efficient reduction of redundant irradiated volume, treatment toxicity, overall treatment time, staff workload, radiation technique workflow, patient transportation, and the potential for non-compliance. There is no "one size fits all" technique of APBI, the best technique always depending on willing patients, individual anatomy, performance status, patient frailty and comorbid conditions, and tumour location.

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