Table 1 Characteristics of breast ductal carcinoma samples from US Biomax and the BRCF core combined
Prognostic factor | No. of DCIS cases (percentage of total) | No. of IDC cases (percentage of total) |
|---|---|---|
Histologic grade | ||
1 | 2 (9%) | 10 (18%) |
2 | 7 (32%) | 24 (41%) |
3 | 12 (59%) | 24 (41%) |
Tumor size | ||
>2 cm | 16 (70%) | 10 (36%) |
<2cm | 7 (30%) | 18 (64%) |
BCL2 | ||
negative | 4 (27%) | 8 (42%) |
positive | 11 (73%) | 11 (57%) |
P53 | ||
negative | 7 (38%) | 9 (36%) |
positive | 11 (62%) | 16 (64%) |
Ki67 | ||
>50% | 3 (16%) | 5 (22%) |
<50% | 16 (84%) | 18 (78%) |
ER | ||
negative | 7 (38%) | 9 (36%) |
positive | 11 (62%) | 16 (64%) |
PR | ||
negative | 7 (38%) | 11 (47%) |
positive | 11 (62%) | 13 (53%) |
HER2 | ||
negative | 0 | 7 (32%) |
positive | 18 (100%) | 15 (68%) |
EGFR | ||
negative | 7 (38%) | 10 (50%) |
positive | 11 (62%) | 10 (50%) |
Lymph node | ||
status | NA | |
negative | 12 (52%) | |
positive | 11 (48%) |