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Frequencies of Histopathologic Markers Determined in Women with Breast Cancer (BCa) Younger Than 40 Years of Age
| Markers | Frequency | Subtypes | Frequency |
|---|---|---|---|
| Her2 | 13.3% | (ER-/PR-) | 31.3% |
| PR+ | 50.0% | (ER+/PR+) | 56.3% |
| ER+ | 61.1% | (ER-/PR-/Her2-) | 33.3% |
| Ki67 | 91.7% | (ER+/PR+/Her2+) | 6.3% |
BCa, Breast Cancer; +, Positive marker; -, Negative marker; PR, Progesterone Receptor; ER, Estrogen Receptor
