EpCAM expression in primary breast cancer
| Tumour type (no. of samples) | No EpCAM overexpression* | EpCAM overexpression* | ||||||
| No expression (TIS 0) | Weak expression (TIS 1–4) | Moderate expression (TIS 6, 8) | Intense expression (TIS 9, 12) | |||||
| n | % | n | % | n | % | n | % | |
| Invasive ductal breast cancer (188) | 35 | 19 | 66 | 35 | 37 | 20 | 50 | 26 |
| Invasive lobular breast cancer (82) | 34 | 41 | 36 | 44 | 9 | 11 | 3 | 4 |
| Other breast cancer histologies (107) | 18 | 17 | 42 | 39 | 26 | 24 | 21 | 20 |
EpCAM expression was determined by immunohistochemistry.
↵* EpCAM overexpression defined by Gastl et al3.
EpCAM, epithelial cell adhesion molecule; TIS, total immunostaining score.