Table 1 Patient characteristics
Number of patients | 144 |
Age [years old] | |
Median [range] | 62 [30, 88] |
Mean ± SD | 60 ± 11 |
Breast laterality | |
Left | 71 (49.3 %) |
Right | 69 (47.9 %) |
Bilateral | 4 (2.8 %) |
Performance Status | |
0 | 134 (93.1 %) |
1 | 10 (6.9 %) |
2 | 0 |
Unknown | 0 |
Histology | |
Ductal infiltrating ca. | 123 (85.4 %) |
Lobular infiltrating ca. | 14 (9.7 %) |
Other | 5 (3.5 %) |
DCIS | 0 |
Unknown | 2 (1.4 %) |
Grading | |
G1 | 16 (11.1 %) |
G2 | 102 (70.8 %) |
G3 | 22 (15.3 %) |
Unknown | 4 (2.8 %) |
ER | |
ER = 0 | 6 (4.2 %) |
ER > 5 | 135 (93.8 %) |
Unknown | 3 (2.1 %) |
PgR | |
PgR = 0 | 13 (9.0 %) |
PgR > 5 | 128 (88.9 %) |
Unknown | 3 (2.1 %) |
KI67 | |
KI67 ≤ 20 | 103 (71.5 %) |
KI67 > 20 | 36 (25.0 %) |
Unknown | 5 (3.5 %) |
cerbB2 | |
Negative | 114 (79.2 %) |
Positive | 19 (13.2 %) |
Unknown | 11 (7.6 %) |
Surgical margins | |
Negative | 128 (88.9 %) |
Close | 4 (2.8 %) |
Positive | 1 (0.7 %) |
Unknown | 11 (7.6 %) |
Lesion diameter | |
≤ 1 cm | 39 (27.1 %) |
Between 1 and 2 cm | 68 (47.2 %) |
≥ 2 cm | 25 (17.4 %) |
Unknown | 12 (8.3 %) |
pT | |
1 | 1 (0.7 %) |
1a | 4 (2.8 %) |
1b | 36 (25.0 %) |
1c | 77 (53.5 %) |
1mic | 2 (1.4 %) |
2 | 23 (16.0 %) |
X | 0 |
is | 0 |
Unknown | 1 (0.7 %) |
pN | |
0 | 122 (84.7 %) |
1a | 12 (8.3 %) |
1sn | 5 (3.5 %) |
N1(mi) | 1 (0.7 %) |
X | 4 (2.8 %) |
Unknown | 0 |
Chemotherapy | |
Yes | 21 (14.6 %) |
No | 123 (85.4 %) |
Hormonotherapy | |
Yes | 120 (83.3 %) |
No | 24 (16.7 %) |