[Corrections] Correction to Lancet Oncol 2025; 26: 187–99

van der Lei S, Puijk RS, Dijkstra M, et al. Thermal ablation versus surgical resection of small-size colorectal liver metastases (COLLISION): an international, randomised, controlled, phase 3 non-inferiority trial. Lancet Oncol 2025; 26: 187–99—In this Article, all data labelled as IQR in the Summary, table 1 legend, and Results should have been labelled as range; figure 2 has also been updated. These corrections have been made to the online version as of Dec 22, 2025.