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Comparison of depth of invasion of the tumor (T) and lymph node metastases (N).
| Depth of tumor |
No. of patients with lymph node metastasis |
|||
| N0 | N1 | N2 | Para-aortic lymph node | |
| T1 (n = 6) | 5 | 1 | 0 | 0 |
| T2 (n = 8) | 6 | 1 | 1 | 1 |
| T3 (n = 5) | 1 | 2 | 2 | 0 |
| T4 (n = 26) | 4 | 11 | 11 | 3 |
| Total (n = 45) | 16 | 15 | 14 | 4 |
T and N were based on TNM staging of the American Joint Committee on Cancer (AJCC).
