Table 3.
Histopathological characteristics of the tumors in the LA and GA groups
| LA group | GA group | p | |
|---|---|---|---|
| Tumor type, n | 0.756 | ||
| Ductal | 31 | 46 | |
| Lobular | 3 | 2 | |
| Mixed type | 2 | 3 | |
| Other | 1 | 3 | |
| Tumor size, mean mm ± SD (range) | 25 ± 11 (0–48) | 22 ± 13.7 (0–55) | 0.229 |
| Tumor volume, mean mm3 ± SD (range) | 249 ± 81 (125–448) | 231 ± 92 (125–512) | 0.163 |
| SLN metastasis, n (%) | 13 (35.1) | 25 (48.1) | 0.261 |
| Micrometastasis, n (%) | 4 (30.7) | 12 (48) | |
| Macrometastasis, n (%) | 9 (69.3) | 13 (52) | |
| Mean number of excised ALN (range) | 14.86 ± 9.5 (6–24) | 13.8 ± 11(18–28) | 0.236 |
| Mean number of excised metastatic ALN (range) | 1.65 ± 1.46 (0–22) | 1.43 ± 2.64 (0–10) | 0.424 |
| Invasive tumor margins, n (%) | 0.191 | ||
| Close to 1 mm | 2 (5.4) | 3 (5.6) | |
| 1–2 mm | 2. (5.4) | 3 (5.6) | |
| ≥ 2–5 mm | 13 (35.2) | 29 (53.7) | |
| > 5 mm | 20 (54.0) | 19 (35.1) |
LA = local anesthesia, GA = general anesthesia, SLN = sentinel lymph node, ALN = axillary lymph node