Features of patients with positive sentinel lymph nodes (SLNs)
| Study | No. positive SLNs | Features of contralateral breast |
|---|---|---|
| Schrenk et al. (19) | 1 | — |
| Soran et al. (20) | 2 | 1 locally advanced breast cancer, 1 recurrent disease |
| Boughey et al. (21) | 2 | 1 locally advanced breast cancer |
| Black et al. (22) | 2 | 1 locally advanced breast cancer |
| McLaughlin et al. (17) | 8 | — |
| Laronga et al. (23) | 8 | 8 locally advanced breast cancer |
| Total | 23 | 11 locally advanced breast cancer, 1 recurrent disease |