Table 4 |
||||
| HER2 status of primary and matched recurrent lesion by in-situ hybridization | ||||
| PRIMARY | RECURRENCE | |||
| Negative | Negative Polysomic | Low Amplified | High Amplified | |
| Negative | 53 | 11 | 0 | 0 |
| Negative Polysomic | 9 | 6 | 0 | 0 |
| Low Amplified | 0 | 0 (2*) | 2 | 5 |
| High Amplified | 1 | 0 | 1 | 26 |
The 2* cases which did not contain breast malignancy upon central review were excluded.
Chan et al. BMC Cancer 2012 12:555 doi:10.1186/1471-2407-12-555