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Comparison of tumor-infiltrating lymphocytes grades in primary and residual tumors after neoadjuvant chemotherapy with trastuzumab.
| TILs grade | Pretreatment tumors | Residual tumors | ||
|---|---|---|---|---|
| N | % | N | % | |
| Low (TILs, 0% to 10%) | 66 | 51.6 | 28 | 62.2 |
| Intermediate (TILs, 10% to 40%) | 38 | 29.7 | 8 | 17.8 |
| High (TILs, 40% to 90%) | 24 | 18.8 | 9 | 20.0 |
| Total | 128 | 100 | 45 | 100 |
Abbreviations: TILs: tumor-infiltrating lymphocytes.
