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Resistance vs. Number of positive nodes. Patients' subsets on the basis of the presence of resistant cells and of the number of positive nodes.
| Nr. of nodes | ||||
| Presence of resistant cells | 0 | 1–2 | >2 | Total pts: |
| No (group 1) | 10 | 5 | 3 | 18 |
| Uncertain (group 2) | 3 | 1 | 4 | 8 |
| Yes (group 3) | 2 | 1 | 6 | 9 |
| Total pts: | 15 | 7 | 13 | 35 |
