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PIK3CA mutation sites in ER-positive breast cancers patients (n = 19), as detected through the Sanger method
| Wnt5a expression (IHC) | PIK3CA mutation | P-value | ||
|---|---|---|---|---|
| Exon 9 | Exon 20 | |||
| E542K | E545K | H1047R | ||
| Wnt5a-negative | 0 | 6 | 4 | |
| Wnt5a-positive | 1 | 3 | 5 | 0.50 |
IHC immunohistochemistry
