Table 1 Clinical and pathological characteristic of the breast cancer patients
Characteristics | Disease-Free Breast Cancer Group | Metastatic Breast Cancer Group |
|---|---|---|
Histological type | ||
Invasive ductal carcinoma | 63 (81.8%) | 22 (64.7%) |
Invasive lobular carcinoma | 8 (10.4%) | 6 (17.6%) |
Other invasive carcinoma | 6 (7.8%) | 4 (11.4%) |
Unknown | 0 | 2 (5.8%) |
Histological grade | ||
Grade I | 17 (22.1%) | 1 (2.9%) |
Grade II | 25 (32.5%) | 8 (23.5%) |
Grade III | 26 (33.8%) | 20 (58.8%) |
Unknown | 9 (11.7%) | 5 (14.7%) |
Tumor size | ||
Tis | 2 (2.6%) | 1 (2.9%) |
T1 | 40 (52.0%) | 10 (29.4%) |
T2 | 24 (31.2%) | 13 (38.2%) |
T3 | 7 (9.1%) | 5 (14.7%) |
T4 | 4 (5.2%) | 2 (5.8%) |
Tx | 0 | 1 (2.9%) |
Unknown | 2 (5.8%) | |
Node involvement | ||
N0 | 41 (53.3%) | 13 (38.2%) |
N1 | 26 (33.8%) | 8 (23.5%) |
N2 | 6 (7.8%) | 9 (26.4%) |
N3 | 3 (3.9%) | 2 (5.8%) |
Nx | 1 (1.3%) | 2 (5.8%) |
Estrogen receptor status | ||
Negative | 20 (25.1%) | 10 (27.7%) |
Positive | 53 (68.8%) | 21 (61.7%) |
Unknown | 4 (5.2%) | 3 (8.8%) |
Progesterone receptor status | ||
Negative | 23 (30.0%) | 10 (29.4%) |
Positive | 50 (64.9%) | 22 (64.7%) |
Unknown | 4 (5.1%) | 2 (5.8%) |
Menopause | ||
Yes | 46 (62.3%) | 31 (91.1%) |
No | 26 (33.8%) | |
Unknown | 3 (3.9%) | 3 (8.8%) |