Table 2 Biomarker status in regional and distant metastases collected from cats with mammary carcinoma
Regional Metastases | Distant Metastases | ||||
|---|---|---|---|---|---|
Biomarker | Axillary LN (n = 18) | Retromammary LN (n = 29) | Biomarker | Lung (n = 20) | Liver (n = 7) |
PR status | PR status | ||||
Negative | 8 (44.4) | 16 (55.2) | Negative | 14 (70.0) | 6 (85.7) |
Positive | 10 (55.6) | 13 (44.8) | Positive | 6 (30.0) | 1 (14.3) |
ER status | ER status | ||||
Negative | 8 (44.4) | 24 (82.8) | Negative | 14 (70.0) | 7 (100) |
Positive | 10 (55.6) | 5 (17.2) | Positive | 6 (30.0) | 0 (0.0) |
HER2 | HER2 | ||||
Negative | 13 (72.2) | 20 (69.0) | Negative | 20 (100) | 7 (100) |
Positive | 5 (27.8) | 9 (31.0) | Positive | 0 (0.0) | 0 (0.0) |
Ki-67 index | Ki67 index | ||||
Low (<14%) | 2 (11.1) | 4 (13.8) | Low (<14%) | 7 (35.0) | 2 (28.6) |
High (≥14%) | 16 (88.9) | 25 (86.2) | High (≥14%) | 13 (65.0) | 5 (71.4) |