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HER2 and TOP2A gene status and Ki67 protein expression in the BR9601 cohort used for this study
| Amplified | Deleted | Normal | ||
|---|---|---|---|---|
| HER2 FISH | 274/288 (95.1%) | 62 (22.6%) | 212 (77.4%) | |
| TOP2A FISH | 274/288 (95.1%) | 25 (9.1%) | 48 (17.5%) | 201 (73.4%) |
| High | Low | |||
| Ki67 | 284/288 (98.6%) | 120 (42.3%) | 164 (57.7%) |
