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Total number of lymph nodes dissected in 124 patients according to hilar and mediastinal stations.
| Lymph node stations | Negative | Positive | Total |
|---|---|---|---|
| R4 | 153 | 20 | 173 |
| 7 (rt & lt) | 117 | 10 | 127 |
| R8 | 11 | 7 | 18 |
| R9 | 23 | 3 | 26 |
| L5 | 67 | 9 | 76 |
| L9 | 27 | 2 | 29 |
| R10 | 81 | 15 | 96 |
| R11 & 12 | 261 | 37 | 298 |
| L10 | 44 | 3 | 47 |
| L11 & 12 | 109 | 13 | 121 |
| Total | 893 | 119 | 1012 |
