Table 1.
Demographic characteristics of the included patients (n = 201).
| Characteristic | Patients |
|---|---|
| Patient age (years) | 28~76 |
| Mean age (years) | 51.88 ± 10.61 |
| Menopause status | |
| Premenopausal | 103 |
| Post-menopause | 98 |
| Breast lesions location | |
| Central quadrant | 9 |
| Upper outer quadrant | 84 |
| Upper inner quadrant | 37 |
| Lower outer quadrant | 53 |
| Lower inner quadrant | 18 |
| Tumor size (cm) | 0.52~4.94 |
| Average tumor size (cm) | 2.35 ± 1.10 |
| History | |
| Invasive ductal carcinoma | 141 |
| Invasive lobular carcinoma | 45 |
| Other | 15 |
| Molecular subtypes | |
| Luminal A | 69 |
| Luminal B | 86 |
| HER-2 positive | 33 |
| Triple-negative | 13 |