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Results from the final model to predict HER2 intratumour expression levels (IHC vs. FISH), which utilised three MRI parameters (two clinical parameters [lesion type and multifocality] and one radiomic parameter [large zone emphasis]).
| Predictive Model Result | HER2 expression |
Total | |
|---|---|---|---|
| IHC | FISH | ||
| IHC | 277 (97.9%) | 6 (2.1%) | 283 (100%) |
| FISH | 2 (7.1%) | 26 (92.9%) | 28 (100%) |
| Total | 279 (89.7%) | 32 (10.3%) | 311 (100%) |
Abbreviations: IHC, immunohistochemistry; FISH, fluorescence in situ hybridisation.
