Table 5.
Combined ER/HER2 Status of DTCs and Association with the ER/HER2 Status of the PT
| DTCs with One ER/HER2 Profile | DTCs with Two ER/HER2 Profiles | DTCs with Three ER/HER2 Profiles | DTCs with Four ER/HER2 Profiles | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| ER/HER2 status of DTCs | ER +/HER2 − | + | + | + | + | + | |||||
| ER +/HER2 + | + | + | + | + | |||||||
| ER −/HER2 − | + | + | + | + | + | + | + | ||||
| ER −/HER2 + | + | + | + | + | |||||||
| ER/HER2 status of PT | ER +/HER2−(n = 38) | 2 | 1 | 5 | 13 | 1 | 2 | 2 | 4 | 8 | |
| ER +/HER2 + (n = 4) | 1 | 2 | 1 | ||||||||
| ER −/HER2 − (n = 10) | 3 | 1 | 3 | 1 | 1 | 1 | |||||
| ER −/HER2 + (n = 2) | 1 | 1 | |||||||||
| Total (n = 54) | 2 | 1 | 10 | 1 | 18 | 1 | 3 | 2 | 6 | 10 | |
Shown are the numbers of patients with a given ER/HER2 status of the PT that have DTCs with ER/HER2 profiles as indicated by the “+” signs above. For example, there were five patients with an ER-positive/HER2-negative PT that had only ER-negative/HER2-negative DTCs, and there were three patients with an ER-negative/HER2-negative PT that had both ER-positive/HER2-negative and ER-negative/HER2-negative DTCs.