Research Article
Risk Factors of the Invasive Breast Cancer Locoregional Recurrence
Table 5
Immunohistochemical staining of the primary node.
| Examined group | ER | PR | Her2/neu | Positive | Negative | Positive | Negative | Positive | Negative |
| 1 A group | 38 (39%) | 22 (22%) | 43 (43%) | 16 (17%) | 2 (2%) | 58 (59%) | 1 B group | 26 (26%) | 13 (13%) | 20 (20%) | 20 (20%) | 26 (26%) | 13 (13%) | 2 A group | 55 (46%) | 26 (22%) | 50 (42%) | 31 (26%) | 13 (11%) | 68 (57%) | 2 B group | 18 (15%) | 20 (17%) | 18 (15%) | 20 (17%) | 7 (6%) | 31 (26%) |
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The differences between groups are not statistically significant ( > 0,05). The differences between groups are statistically significant ( < 0,05).
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