From: Breast cancer subtypes and survival in patients with brain metastases
IHC subtype | No. (%) | p Value†| ||
---|---|---|---|---|
 | Patients with EBC (n = 118) | Patients with MBC* (n = 556) | Patients with BM (n = 126) |  |
Luminal A (ER or PR+/HER2-) | 68 (57.6) | 254 (46.7) | 23 (18.3) | < 0.0001 |
Luminal B (ER or PR+/HER2+) | 16 (13.6) | 73 (13.1) | 19 (15.1) | Â |
HER2+/ER- (ER-/PR-/HER2+) | 15 (12.7) | 91 (16.4) | 37 (29.4) | Â |
Triple-negative (ER-/PR-/HER2-) | 19 (16.1) | 138 (24.8) | 47 (37.3) | Â |