Table 2.
Characteristics of patients and histological features of invasive lobular carcinomas.
| Categorical Variables | Frequency (%) |
|---|---|
| Menopausal status | |
| Premenopausal | 8 (25.0) |
| Postmenopausal | 24 (75.0) |
| First-degree relative with breast cancer | |
| Yes | 6 (18.8) |
| No | 26 (81.2) |
| Breastfeeding | |
| Yes | 24 (75.0) |
| No | 8 (25.0) |
| Grade | |
| 1 | 5 (15.6) |
| 2-3 | 27 (84.4) |
| Tumor diameter | |
| <2 cm | 6 (18.8) |
| ≥2 cm | 26 (81.2) |
| Nodal status | |
| Positive | 8 (25.0) |
| Negative | 24 (75.0) |
| Metastasis | |
| Yes | 0 (0.0) |
| No | 32 (100.0) |
| ER status | |
| Positive | 27 (84.4) |
| Negative | 5 (15.6) |
| PR status | |
| Positive | 25 (78.1) |
| Negative | 7 (21.9) |
| c-erbB2 status | |
| Positive | 7 (21.9) |
| Negative | 25 (78.1) |
| Continuous variable | mean ± SD |
| Ki-67 (%) | 12.0 ± 5.1 |