Description of Lymphatic Basin Identified and Status of SN
| Variable | Frequency | % |
|---|---|---|
| No. of identified basin | ||
| 1 | 1,121 | 85.38 |
| 2 | 174 | 13.25 |
| 3 | 9 | 0.69 |
| None | 9 | 0.69 |
| Basin site | ||
| Axillary | 785 | 52.47 |
| Groin | 563 | 37.64 |
| Laterocervical | 104 | 6.95 |
| Other | 44 | 2.94 |
| No. of excised SNs | ||
| 1 | 592 | 45.40 |
| 2 | 390 | 29.91 |
| 3 | 181 | 13.88 |
| ≥4 | 141 | 10.81 |
| SN status | ||
| Negative | 1,084 | 83.13 |
| Positive | 220 | 16.87 |
| NSN status* | ||
| Negative | 171 | 80.28 |
| Positive | 37 | 17.37 |
| Unknown | 5 | 2.35 |
| No. of positive nodes | ||
| 1 | 177 | 80.45 |
| 2 | 37 | 16.82 |
| 3 | 5 | 2.27 |
| 4 | 5 | 0.45 |
↵* Completion of lymphadenectomy was not performed in 7 patients because of patient refusal.