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Discordance in test results between biopsy and tumor resection material
| Receptor | Population sizea | Discordant | Biopsy positive, resection negative | Biopsy negative, resection positive |
|---|---|---|---|---|
| ER | 684 (7.70%) | 31 (4.53%) | 20 (64.52%) | 11 (35.48%) |
| PR | 890 (10.02%) | 135 (15.17%) | 67 (49.63%) | 68 (50.37%) |
| HER2 | 707 (7.96%) | 6 (0.85%) | 0 (0.00%) | 6 (100%) |
aThe population size described shows the number of patients for whom each of the specific receptors was determined on both biopsy and tumor resection material
