Liver lesions are common in oncology, and various focal treatments can be used, such as surgery, chemoembolization, radiofrequency, and systemic treatment. However, these treatments are often not feasible for a number of reasons, including the patient's general health or the characteristics of the lesion itself. Additionally, localized relapses may occur after focal treatments. In the past, liver radiotherapy was limited by the toxicities it caused and was mainly used in palliative situations or specific pre-transplant management. However, advancements in high-precision radiotherapy, like hypofractionated radiotherapy in stereotactic conditions, have allowed to treat the lesions with minimal margins, delivering higher doses while reducing the healthy liver's exposure. Increasingly, retrospective and prospective studies have demonstrated the effectiveness and safety of hypofractionation for both primary and secondary liver lesions. This review discusses the indications, results, and techniques of this type of treatment.
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