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Lymph node characteristics after neoadjuvant therapy.
| Lymph-Node Characteristics | |
|---|---|
| ycN0 – N1 | 137 (76.1%) |
| ycN2 | 43 (23.9%) |
| ypN2 downstaging | 152 (84.4%) |
| ypN1 | 29 (16.1%) |
| ypN2 | 28 (15.5%) |
| # Lymph - node removed (mean) | 8.5 ± 7.4 |
| # Lymph - node involved N2 (mean) | 1.2 ± 2.9 |
| # mediastinal station (mean) | 2.5 ± 1.3 |
| Node ratio < 50% | 25 (48.3%) |
