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Histologic Findings Suggestive of Treatment Effect in True-Negative and False-Negative SLNs
| Treatment Effect | True-Negative SLNs | False-Negative SLNs |
|---|---|---|
| Fibrosis (≤5%) | 5 | 1 |
| Fibrosis (≤5%) & calcification | 1 | 0 |
| Fibrosis (>5% but <50%) | 3 | 0 |
| Fibrosis (>5 but <50%) & fat necrosis | 1 | 0 |
| Fibrosis (≥50%) | 3 | 1 |
| Parenchymal histiocytes | 2 | 0 |
| None | 8 | 9 |
| Total | 23 | 11 |
SLN indicates sentinel lymph node.
