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References

1. For patients unfit for surgery or who refuse it, stereotactic ablative radiotherapy (SABR) is a good option for oligometastases management, particularly for single lung metastases.
2. SABR is a method of external radiotherapy focusing a high dose of radiation to an extracranial target lesion in one [defined as stereotactic radiosurgery (SRS)] or few fractions of treatment [defined as stereotactic body radiotherapy (SBRT)], sparing normal tissues.
3. The ablative effect of stereotactic radiotherapy is achieved at more than 90% of cases with effective biological dose (BED) greater than 100 Gy, irrespective of fractionation approaches.
4. These data support the role of RFA as a feasible alternative to surgery or SBRT.

DOI: 10.21037/asj-21-81