Table 1. Distribution of IHC results and PAM50 intrinsic subtypes (without normal breast-like subtype) among 109 Taiwanese breast cancers assayed with oligonucleotide microarrays.
| IHC results | SSP | ||||
|---|---|---|---|---|---|
| Basal-like | HER2-enriched | Luminal A | Luminal B | Total | |
| HR+/HER2+ | 0 | 1 | 3 | 16 | 20 |
| HR+/HER2− | 2 | 1 | 13 | 35 | 52 |
| HR−/HER2+ | 5 | 18 | 3 | 0 | 26 |
| HR−/HER2− | 7 | 1 | 3 | 0 | 11 |
| Total | 14 | 21 | 22 | 51 | 109* |
One HR+/HER2− case was unclassified by PAM50.