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ER, PR, and HER2 expression profiles in patients with primary breast cancer and brain metastasis
| Brain metastasis | Primary breast cancer | Total | |
|---|---|---|---|
| − | + | ||
| ER status | |||
| − | 10 (47.6%) | 1 (4.8%) | 11 (52.4%) |
| + | 1 (4.8%) | 9 (42.9%) | 10 (47.6%) |
| PR status | |||
| − | 10 (47.6%) | 2 (9.5%) | 12 (57.1%) |
| + | 6 (28.6%) | 3 (14.3%) | 9 (42.9%) |
| HER2 status | |||
| − | 10 (47.6%) | 3 (14.3%) | 13 (61.9%) |
| + | 2 (9.5%) | 6 (28.6%) | 8 (38.1%) |
ER estrogen receptor, PR progesterone receptor, HER2 human epidermal growth factor receptor 2
