Table 1.
Basic patient and tumor characteristics.
| Variable | N (%) | |
|---|---|---|
| Patients | Plasma | 16 (100) |
| Age, years | Mean +SD | 63 ± 13 |
| Median (range) | 63 (46 - 89) | |
| Tumor status | T1 | 10 (62) |
| T2 | 2 (13) | |
| T3 | 4 (24) | |
| Node status | Negative | 4 (25) |
| Micrometastasis | 6 (38) | |
| Macrometastasis | 6 (38) | |
| Axillary Lymph Node Status | Negative | 3 (50) |
| Positive | 3 (50) | |
| Tumor grade | I | 5 (31) |
| II | 9 (56) | |
| III | 2 (13) | |
| Estrogen receptor | Negative | 0 (0) |
| Positive | 16 (100) | |
| Progesterone receptor | Negative | 1 (6) |
| Positive | 15 (94) | |
| HER2 status | Negative | 16 (100) |
| Positive | 0 (0) | |
| Ki67 | < 20% | 15 (94) |
| > 20% | 1 (6) | |
| Surgery | Mastectomy | 5 (31) |
| Lumpectomy | 11 (69) | |
| Lymphovascular invasion | Negative | 12 (75) |
| Positive | 4 (25) |