Table 2 Patient characteristics and ER-negative tumor parameters
From: Estrogen receptor-negative breast carcinomas: a review of morphology and immunophenotypical analysis
Histological tumor type | Number of cases (%) |
|---|---|
No specific type (NST) | 246 (85%) |
Tubular mixed | 7 (2.5%) |
Typical medullary | 2 (0.7%) |
Atypical medullary | 24 (8%) |
Classic lobular | 4 (1.4%) |
Lobular mixed | 1 (0.3%) |
NST & lobular mixed | 1 (0.3%) |
Mixed NST and special type | 1 (0.3%) |
Miscellaneous | 5 (2%) |
Age | 25–70 years (median 50.5 years) |
Menopausal status | |
Pre | 85 (29%) |
Post | 78 (27%) |
Unknown | 128 |
Tumor size (cm) | |
<2 | 136 (47%) |
>2 | 155 (53%) |
Nodal status | |
Stage 1 (node negative) | 148 (51%) |
Stage 2 (1–3 nodes positive) | 96 (33%) |
Stage 3 (4 or more nodes positive) | 46 (16%) |
Grade | |
1 | 03 (1%) |
2 | 15 (5%) |
3 | 272 (94%) |
Vascular invasion | 104/291 (36%) |
