Table 1 Clinicopathological characteristics of the study cohort.
Number of patients | 35 | p value (Fisher’s exact test) | |
|---|---|---|---|
Age (mean) | 52.8 years | ||
Histologic grade | Diagnosis | Surgery | |
Grade 1 | 4 | 1 | |
Grade 2 | 16 | 18 | |
Grade 3 | 14 | 14 | 0.5 |
Missing or not available | 1 | 2 | |
ER status | |||
ER+ | 21 | 18 | |
ER− | 14 | 15 | 0.8 |
Missing or not available | 0 | 2 | |
PR status | |||
PR+ | 17 | 17 | |
PR− | 18 | 16 | 1 |
Missing or not available | 0 | 2 | |
KI67 at diagnosis | |||
> or = 14% | 28 | 30 | |
<14% | 7 | 3 | 0.3 |
Missing or not available | 0 | 2 | |
Clinical tumour stage at diagnosis | |||
T0 | 0 | 2 | |
T1 | 1 | 21 | |
T2 | 31 | 10 | |
T3 | 2 | 1 | <0.001 |
Node | |||
N0 | 24 | 19 | |
N1 | 11 | 12 | |
N2 | 0 | 4 | 0.1 |
Histology | |||
IDC | 30 | 27 | |
ILC | 2 | 2 | |
other | 3 | 4 | 0.9 |
Missing or not available | – | 2 | |
Treatment response | |||
pCR | 2 | ||
Good responders (CR or PR) | 19 (5 CR, 14 PR) | ||
Poor responders (PR or SD) | 16 (12 SD, 4 PD) | ||
Missing or not available | 3 | ||
Residual cancer burden (RCB) after neoadjuvant treatment | RCB1 = 1, RCB2 = 18, RCB3 = 13 patients, NA = 3 | ||
Recurrence | 6 | ||
