Table 1. Histological subtype and sample size.
Summary of Various Breast Pathologies Collected and Analyzed by Immunohistochemistry.
| Histology | Subtype | n |
|---|---|---|
| Normal Breast Tissue | N.A. | 47 |
| Benign and Precursor Breast Lesions | Adenosis | 4 |
| ADH | 1 | |
| ALH | 4 | |
| ApoM | 4 | |
| CCL | 57 | |
| DCIS | 10 | |
| FA | 1 | |
| FEA | 7 | |
| NPFCC | 2 | |
| Radial scar | 2 | |
| UDH | 8 | |
| Breast Cancer | Luminal A | 45 |
| Luminal B | 16 | |
| Her2 | 19 | |
| Triple negative | 21 |
ADH=Atypical ductal hyperplasia; ALH=Atypical lobular hyperplasia; ApoM=Apocrine metaplasia; CCL=Columnar cell lesion; DCIS=Ductal carcinoma in situ; FA=Fibroadenoma; FEA=Flat epithelial atypia; NPFCC=Non-proliferative fibrocystic changes; UDH=Usual ductal hyperplasia; Her2=Human epidermal growth factor receptor type 2 positive cancer; Luminal A=estrogen receptor and/or progesterone receptor positive cancer; Luminal B=estrogen receptor and/or progesterone receptor positive and Her2 positive cancer; Triple negative=estrogen, progesterone and Her2 negative breast cancer.