Tumor site | Patients | Location of SLN | ||
Axillary region | Internal mammary chain | Other | ||
Upper outer quadrant | 12 | 31 (96.87%) | 1 (3.13%) | 0 |
Upper inner quadrant | 5 | 12 (85.71%) | 2 (4.29%) | 0 |
Central portion | 2 | 3 (100%) | 0 | 0 |
Lower outer quadrant | 3 | 4 (100%) | 0 | 0 |
Lower inner quadrant | 1 | 2 (66.66%) | 1 (33.34%) | 0 |