Table 2 Histopathological Status of PABC Tumors
From: Germline mutations in a clinic-based series of pregnancy associated breast cancer patients
| Â | Parameters | Numbers (%) |
|---|---|---|
Histological type | IDC | 18 (90%) |
ILC | 1 (5%) | |
Metaplastic | 1 (5%) | |
Tumor grade | Low (grade I) | 0 (0%) |
Intermediate (grade II) | 4 (20%) | |
High (grade III) | 16 (80%) | |
Tumor size (T) | T1 (≤2 cm) | 5 (25%) |
T2 (> 2 cm but ≤5 cm) | 9 (45%) | |
T3 (> 5 cm) | 6 (30%) | |
ER | Negative | 9 (45%) |
Positive | 11 (55%) | |
PR | Negative | 10 (50%) |
Positive | 10 (50%) | |
HER2 | Negative | 12 (60%) |
Positive | 8 (40%) | |
Ki-67 | Low (< 15%) | 6 (30%) |
Moderate (16–30%) | 3 (15%) | |
High (> 30%) | 11 (55%) | |
Axillary Lymph Nodes | N0 (0 positive nodes) | 12 (60%) |
N1 (1–3 positive nodes) | 2 (10%) | |
N2 (4–9 positive nodes) | 2 (10%) | |
N3 (≥10 positive nodes) | 4 (20%) | |
Molecular subtypes | Luminal A | 3 (15%) |
Luminal B (HER2 negative) | 4 (20%) | |
Luminal B (HER2 positive) | 5 (25%) | |
HER2-enriched | 3 (15%) | |
Triple negative | 5 (25%) |