Table 1.
Concordance of ERBB2 amplification for breast cancer.
| Tissues | Sensitivity | Specificity | Concordance | |||
|---|---|---|---|---|---|---|
| (+) | (−) | (%) | (%) | (%) | ||
| ctDNA | (+) | 2 | 1 | |||
| (−) | 5 | 33 | 28.6 | 97.1 | 85.4 | |
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