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. 2016 Jul 7;39(10):1438–1446. doi: 10.1007/s00270-016-1413-3

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© The Author(s) 2016

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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Fig. 2 — Kaplan–Meier curves showing overall survival from primary tumour diagnosis and from the first ablation procedure. Patients were distributed to the RFA group, MWA group or RFA plus MWA group based on the specific ablation procedures they had undergone. Survival distributions were not statistically different between the treatment groups for the survival times from primary tumour diagnosis (x² = 0.215; P = 0.898) and from ablation (x² = 1.161; P = 0.559)