Clinical Characteristics of the 200 Patients
| Clinical characteristic | Finding |
|---|---|
| Mean age | 56 y |
| Clinical size of tumor, by TNM stage | T0 = 38 (19%); T1 = 91 (45.5%); T2 = 71 (35.5%) |
| Tumor site | |
| External upper quadrant | 74 (37%) |
| Internal upper quadrant | 21 (10.5%) |
| External lower quadrant | 26 (13%) |
| Internal lower quadrant | 8 (4%) |
| Union of external quadrants | 23 (11.5%) |
| Union of internal quadrants | 14 (7%) |
| Union of upper quadrants | 32 (16%) |
| Union of lower quadrants | 2 (1%) |
| Histologic size of tumor | 12.14 mm (range, 3–30 mm) |
| Mean number of nodes removed | 9.3 (range, 3–22) |
| Mean number of ASLN removed | 2.2 (range, 0–7) |