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Comparison of survival rates for patients classified by pN category or by rN category
| N stage | n |
pN1 |
pN2 |
pN3 |
P | |||
| n | OS (%) | n | OS (%) | n | OS (%) | |||
| rN1 | 147 | 169 | 68.6 | 3 | 66.7 | NA | NA | 0.638 |
| rN2 | 156 | 54 | 36.3 | 95 | 40.8 | 7 | 57.4 | 0.188 |
| rN3 | 51 | 9 | 22.2 | 58 | 20.4 | 44 | 11.6 | 0.257 |
