Table 1 Patients’ characteristics
Category | Patients number (%) |
|---|---|
Menopausal status | |
Premenopausal | 115 (28.4) |
Postmenopausal | 290 (71.6) |
Performance status (ECOG) | |
0 | 379 (93.6) |
1 | 22 (5.4) |
2 | 4 (1.0) |
Type of surgery | |
Tumorectomy | 173 (42.7) |
Quadrantectomy | 83 (20.5) |
Mastectomy | 149 (36.8) |
Sentinel lymph-node biopsy | |
No | 157 (38.8) |
Yes | 248 (61.2) |
Histological subtype | |
Pure lobular | 290 (71.6) |
Ductal-lobular | 105 (25.9) |
Others | 10 (2.5) |
T descriptor according to TNM [7° Edition] | |
1 | 233 (57.5) |
2 | 128 (31.6) |
3 | 31 (7.7) |
4 | 11 (2.7) |
Lymph-node status | |
Negative | 234 (57.8) |
Positive | 155 (38.2) |
Unknown | 16 (4.0) |
Estrogen receptor status | |
Negative | 12 (3.0) |
Positive | 379 (93.6) |
Unknown | 14 (3.4) |
Progesterone receptor status | |
Negative | 40 (9.9) |
Positive | 335 (82.7) |
Unknown | 30 (7.4) |
HER2 status | |
Negative | 259 (64.0) |
Positive | 20 (4.9) |
Unknown | 126 (31.1) |
Histological grade | |
1 | 67 (16.5) |
2 | 155 (38.3) |
3 | 56 (13.8) |
Unknown | 127 (31.4) |
Vascular invasion | |
Absent | 211 (52.1) |
Present | 84 (20.7) |
Unknown | 110 (27.2) |
Multifocality | |
Absent | 316 (78.0) |
Present | 83 (20.5) |
Unknown | 6 (1.5) |
Adjuvant hormonotherapy | |
No | 59 (14.6) |
Yes | 346 (85.4) |
Adjuvant chemotherapy | |
No | 245 (60.5) |
Yes | 160 (39.5) |
Adjuvant radiotherapy | |
No | 132 (32.6) |
Yes | 259 (64.0) |
Unknown | 14 (3.4) |