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Classification of subtypes (n = 3463 patients)
| Luminal A (n = 1770/51.1%) | Luminal B (n = 837/24.2%) | HER2-like (n = 584/16.9%) | Basal-like (n = 272/7.9%) |
|---|---|---|---|
| ER+ PR+ | ER+ PR+ | ER+ PR+ | ER− PR− |
| ER+ PR− | ER+ PR− | ER+ PR− | |
| ER−PR+ | ER−PR+ | ER− PR+ | |
| ER− PR− | |||
| G1 | G1 | G1 | G1 |
| G2 | G2 | G2 | G2 |
| G3 | G3 | G3 | |
| HER2− | HER2− | HER2+ | HER2− |
| Ki-67 ≤15% | Ki-67: >15% | Any Ki-67 | Any Ki-67 |
