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. 2006 Aug 29;95(6):691–698. doi: 10.1038/sj.bjc.6603327

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Copyright © 2006 Cancer Research UK

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Overall survival stratified according to risk group (log rank P<0.001 for low vs medium risk and P<0.001 for medium vs high risk, median overall survival: 30.53 vs 22.1 vs 5.9 months).