This large Western study has shown that OS and DFS did not differ after RFA (using mainly multipolar devices) and SR, for HCC within the Milan criteria in a European population, with a shorter hospitalisation time and a lower complication rate for RFA.

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• Radiofrequency ablation (RFA) is a well-tolerated technique according to mid-term results. • RFA for malignant renal tumours preserved renal function in high-risk patients. • Mid-term efficacy of RFA was close to that of formal conservative surgery. • Tumour size and central location limit the efficacy and safety of RFA.