Table 3.
Focal amplicons and PD-L1 expression
| Sample | Ploidy | EGFR | JAK2 | AKT2 | MYC | FGFR2 | PD-L1 (IHC) | Neoadjuvant |
|---|---|---|---|---|---|---|---|---|
| TNBC-6 | 4.0 | 5 T | – | |||||
| TNBC-9 | 4.0 | 5 T | – | |||||
| TNBC-14 | 3.1 | +++ | ++ | 5 T | – | |||
| TNBC-21 | 2.8 | 5 T | – | |||||
| TNBC-24 | 2.5 | 5 T | – | |||||
| TNBC-33 | 3.6 | 5 T | – | |||||
| TNBC-37 | NB | 5 T | – | |||||
| TNBC-40 | 3.4 | 4 NT | – | |||||
| TNBC-16 | 3.2 | ++ | 4 T | – | ||||
| TNBC-23 | 3.6 | ++ | ++ | 4 T/NT | – | |||
| TNBC-44 | 4.1 | +++++ | ++ | 4 T | – | |||
| TNBC-46 | ND | 4 T/NT | – | |||||
| TNBC-50 | 2.0 | +++++ | 4 T/NT | – | ||||
| TNBC-55 | 3.0 | ++ | ++ | 4 NT | – | |||
| TNBC-5 | 3.0 | ++ | 4 T | + | ||||
| TNBC-8 | 3.3 | ++ | 4 NT | + | ||||
| TNBC-29 | 4.0 | ++ | 4 T | + | ||||
| TNBC-36 | 2.0 | ++ | ++ | 4 T/NT | + | |||
| TNBC-43 | 3.2 | +++ | 4 T/NT | + | ||||
| TNBC-18 | 4.2 | ++ | +++ | ++ | 1 NT | – | ||
| TNBC-30 | 3.1 | ++ | 1 NT | – | ||||
| TNBC-4 | 3.2 | ++ | +++++ | 1 NT | + | |||
| TNBC-7 | 3.8 | ++ | +++++ | 1 NT | + | |||
| TNBC-51 | 3.5 | ++ | ++ | 0 | + | |||
| TNBC-20 | 3.4 | ++ | 0 | – | ||||
| TNBC-56 | ND | 0 | – |
+++++: log2 ratio > 4
+++: log2 ratio > 2
++: log2 ratio > 1
Abbreviations: IHC immunohistochemistry, NB no tumor in biopsy, ND not done, NT non-tumor cells, T tumor cells