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Expression profiles for ER of IHC results and CTCs, and available PFS and DCR information in the subgroup of patients with available primary tumor IHC results.
| Primary | Number | PFS (range/median) | Disease control rate (DCR%) |
|---|---|---|---|
| Biopsy ER+ & CTC ER+ | 24 | 1-7/4 | 79.2 |
| Biopsy ER+ & CTC ER- | 8 | 1-9/3 | 37.5 |
| Biopsy ER- & CTC ER+ | 3 | 2-17/5 | 66.7 |
| Biopsy ER- & CTC ER- | 5 | 1-8/2 | 20 |
