Table 6. MRI findings after NCT according to postoperative pathologic results stratified by breast cancer subtype.
| MRI after NCT | ypT0 | ypTis | P-value | P-valuea |
|---|---|---|---|---|
| HRs+/HER2- (n = 33) | <0.001 | |||
| Complete response | 13 (68.4) | 6 (31.6) | 0.024 | |
| Residual disease | 4 (28.6) | 10 (71.4) | ||
| HRs+/HER2+ (n = 19) | ||||
| Complete response | 6 (66.7) | 3 (33.3) | 0.020b | |
| Residual disease | 1 (10.0) | 9 (90.0) | ||
| HRs-/HER2+ (n = 25) | ||||
| Complete response | 7 (53.8) | 6 (46.2) | 0.226b | |
| Residual disease | 3 (25.0) | 9 (75.0) | ||
| HRs-/HER2- (n = 40) | ||||
| Complete response | 21 (95.5) | 1 (4.5) | 0.033b | |
| Residual disease | 12 (66.7) | 6 (33.3) |
aCochran-Mantel-Haenszel test.
bFisher’s exact test.