Table 1 Characteristics of patients and tumors (NA = not assessed, IDC = invasive ductal carcinoma, ILC = invasive lobular carcinoma)
Characteristics | Primary breast cancer patients (n = 45) |
|---|---|
Median age (range) (y) | 49 (26–78) |
Estrogen receptor [n (%)] | 29 (64) |
Progesterone receptor [n (%)] | 26 (58) |
HER2 [n (%)] | 17 (38) |
Ki67 (median ± SD) (%) | 30 ± 24 |
Initial T staging [n (%)] | |
NA | 0 |
1 | 4 (9) |
2 | 23 (51) |
3 | 7 (16) |
4 | 11 (24) |
Lymph node involvement [n (%)] | 33 (73) |
Tumor node metastasis (TNM) stage [n (%)] | |
NA | 0 |
1 | 0 |
2 | 26 (58) |
3 | 19 (42) |
Scarff-Bloom-Richardson grading system [n (%)] | |
NA | 0 |
1 | 0 |
2 | 19 (42) |
3 | 26 (58) |
Histologic subtype [n (%)] | |
NA | 0 |
IDC | 42 (93) |
ILC | 3 (7) |
Others | 0 |
Lymphovascular invasion [n (%)] | 9 (20) |
Cardiovascular risk factors [n (%)] | |
Smoking | 12 (27) |
Type 2 diabetes | 4 (9) |
High blood pressure | 9 (20) |
Obesity | 7 (16) |
Dyslipidemia | 21 (47) |
Chronic kidney disease | 2 (4) |
Left ventricular ejection fraction (median ± SD) (%) | |
Before chemotherapy | 64 ± 11 |
After chemotherapy | 60 ± 29 |