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Percutaneous cryoablation (cryotherapy) is emerging as an alternative to partial nephrectomy (PN) for the removal of small, single kidney tumours while conserving kidney function (nephron-sparing). A new study provides support for cryotherapy, finding no significant differences in the risk for complications, kidney function, and cancer control outcomes compared with partial nephrectomy. The investigators suggested that the results should be validated in a large-scale, multi-centre study.