Table 4 Tumor bed changes related to breast tumor subtype.
HR+/HER2− (n = 242) | HER2+ (n = 216) | TNBC (n = 207) | p value | |
|---|---|---|---|---|
Fibrosis/scarring | 241 (99.6%) | 209 (96.8%) | 206 (99.5%) | 0.014 |
Foamy macrophages | 39 (16.1%) | 60 (27.8%) | 67 (32.4%) | <0.001 |
Hemosiderin laden-macrophages | 110 (45.5%) | 110 (50.9%) | 136 (65.7%) | <0.001 |
Hemosiderin deposition | 132 (54.5%) | 106 (49.1%) | 146 (70.5%) | <0.001 |
Stromal elastosis | 94 (38.8%) | 67 (31.0%) | 51 (24.6%) | 0.005 |
Myxoid change | 46 (19.0%) | 29 (13.4%) | 17 (8.2%) | 0.004 |
Stromal mucin | 20 (8.3%) | 11 (5.1%) | 1 (0.5%) | 0.001 |
