|
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
|
- Abbreviations: MRI magnetic resonance imaging, pCR pathological complete response, NAC neoadjuvant chemotherapy and immunotherapy, ER estrogen receptor, HER2 human epidermal growth factor receptor 2, R1 reader 1, R2 reader 2
