Table 7 Number of tumors per subtype, number of tumors per subtype with pathological complete response and their MRI-based response patterns
Subtype | Number of tumors (percentage) | Number with pCR (percentage) | MRI patterns halfway through NAC in tumors showing pCR (R1 and R2) | MRI patterns after NAC in tumors showing pCR (R1 and R2) |
|---|---|---|---|---|
ER+/HER2+ | 13 (16%) | 3 (23%) | 0, 1, 2, 4 | 0, 1, 2 |
ER+/HER2- | 48 (60%) | 4 (8%) | 0, 1 | 0, 1 |
ER-/HER2+ | 6 (8%) | 3 (50%) | 0, 1, 2 | 0, 1, 2 |
ER-/HER2- | 13 (16%) | 6 (46%) | 0, 1, 2 | 0, 3, 4 |
Total | 80 (100%) | 16 (20%) | 0, 1, 2, 4 | 0, 1, 2, 3, 4 |