Table 2.
Lymph Node Metastasis by Tumor Diameter
| Tumor Diameter (mm) | Risk of Any LN Metastasis (%) | Percent of N Stage Metastases, No. (%) |
|||
|---|---|---|---|---|---|
| N1 | N2 | N3 | Total | ||
| ≤10 | 19.3 | 15 (68.2) | 7 (31.8) | 0 (0.0) | 22 (100.0) |
| >10 and ≤20 | 20.1 | 16 (47.1) | 16 (47.1) | 2 (5.9) | 34 (100.0) |
| >20 | 26.5 | 7 (53.8) | 4 (30.8) | 2 (15.4) | 13 (100.0) |