Table 2: Organ-specific metastases in different subtypes of breast cancer (the two most common sites of metastases within each breast cancer subtype is depicted in bold).
ER (n = 111) | ER/HER (n = 25) | HER (n = 20) | TN (n = 45) | |
Bone | 20 (18.0%) | 7 (28.0%) | 4 (20.0%) | 6 (13.3%) |
Liver | 6 (5.4%) | 6 (24.0%) | 5 (25.0%) | 8 (17.8%) |
Lung | 10 (9.0%) | 3 (12.0%) | 5 (25.0%) | 14 (31.1%) |
Brain | 1 (0.9%) | 1 (4.0%) | 0 (0.0%) | 2 (4.4%) |
Mediastinum/Pleura | 1 (0.9%) | 0 (0.0%) | 1 (5.0%) | 9 (20.0%) |
Extra-axillary nodes | 3 (2.7%) | 0 (0.0%) | 0.0% | 18 (7.8%) |
Other | 3 (2.7%) | 1 (4.0%) | 0.0% | 3 (6.7%) |
(Equivocal) | 17 (15.3%) | 5 (20%) | 4 (20%) | 3 (6.7%) |