Research Article
Breast Cancer Pathology, Receptor Status, and Patterns of Metastasis in a Rural Appalachian Population
Table 3
Pattern of metastatic spread for tumors with known steroid receptor status and HER2 overexpression.
| Category | Number of cases | ER- positive | PR- positive | HER2 overexpression* | Triple- negative |
| No metastases | 488 | 345 (70.7) | 316 (64.7) | 98 (20.1) | 107 (21.9) | Metastases | | | | | | Bone | 42 | 33 (78.6) | 29 (69.0) | 5 (13.9) | 6 (14.3) | Viscera | 53 | 22 (41.5) | 18 (33.9) | 6 (12.0) | 22 (41.5) | No metastases versus mestastases | | 0.0005 | 0.0004 | 0.245 | 0.002 | Bone versus viscera | | 0.0003 | 0.0008 | 0.796 | 0.003 |
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HER2 expression was unknown in 10 cases.
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