Table 6 Characteristics of incompletely removed tumors (tumor-positive margins)
Tumor type | MRI-pattern halfway through NAC (R1) | MRI-pattern halfway through NAC (R2) | MRI pattern after NAC (R1) | MRI pattern after NAC (R2) | Tumor size after NAC (R1) | Tumor size after NAC (R2) | Surgery | Pathological tumor size | |
|---|---|---|---|---|---|---|---|---|---|
1 | Ductal | 1 | 1 | 1 | 1 | 18 | 23 | Lumpectomy | 19 |
2 | Lobular | 0 | 2 | MRI not performed | MRI not performed | MRI not performed | MRI not performed | Mastectomy | 105 |
3 | Ductal | 1 | 1 | 1 | 3 | 4 | 22 | Lumpectomy | 17 |
4 | Ductal | 2 | 4 | 4 | 4 | 20 | 15 | Mastectomy | 80 |
5 | Ductal | 1 | 2 | 1 | 4 | 23 | 20 | Lumpectomy | 40 |
6 | Ductal | 1 | 1 | 1 | 4 | 8 | 15 | Lumpectomy | 17 |
7 | Ductal | 1 | 4 | 4 | 4 | 6 | 17 | Lumpectomy | 21 |