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Concordance between biopsy and surgical specimen for oestrogen receptor-negative, oestrogen receptor-LP and oestrogen receptor-positive cases. ER, oestrogen receptor
| Biopsy | Surgical specimen | Total | ||
|---|---|---|---|---|
| ER-negative | ER-LP | ER-positive | ||
| ER-negative | 83 | 10 | 1 | 94 |
| ER-LP | 8 | 11 | 4 | 23 |
| ER-positive | 1 | 2 | 803 | 806 |
