Table 1 Age, histologic and intrinsic subtype of ESR1-mutated breast cancer with bone metastases
From: Estrogen receptor (ESR1) mutation in bone metastases from breast cancer
All patients | ESR1 mutated | |
|---|---|---|
Age (median, range, y=years) | 69y, 27y–89y | 73y, 55y–82y |
BC, all types (%) | 231 (100) | 27 (100) |
BC, no special type (%) | 118 (51.1) | 13 (48.2) |
BC, lobular (%) | 113 (48.9) | 14 (51.8) |
ER positive (%) | 194 (84) | 27 (100) |
PR positive (%) | 107 (46.3) | 21 (77.8) |
HER2 positive (%) | 10 (4.3) | 1 (3.7) |
Triple negative (%) | 33 (14.3) | 0 (0) |
