Table 2.
Validation Data Set Concordance
| IHC/FISH |
MSK-IMPACT assay | |||
|---|---|---|---|---|
| Breast |
Gastroesophageal |
|||
| Nonamplified | Amplified | Nonamplified | Amplified | |
| 155 | 4 | 26 | 0 | Nonamplified |
| 0 | 54 | 0 | 13 | Amplified |
FISH, fluorescence in situ hybridization; IHC, immunohistochemistry; MSK-IMPACT, Memorial Sloan Kettering–Integrated Mutation Profiling of Actionable Cancer Targets.