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. Author manuscript; available in PMC: 2016 Dec 1.
Published in final edited form as: Ann Thorac Surg. 2015 Aug 13;100(6):2048–2053. doi: 10.1016/j.athoracsur.2015.05.100
Same Stage N at Risk Upstaged N at Risk
1 Year 91.2% 35458 82.1% 6697
2 Year 82.0% 24161 65,5% 4001
3 Year 72.7% 15498 52.9% 2375
4 Year 64.6% 9916 43.7% 1426
5 Year 57.2% 6435 37.5% 911
6 Year 50.6% 3664 31.6% 523
7 Year 43.3% 1633 25.8% 237
8 Year 37.0% 432 20.8% 47