Table 2.
Patients analyzed
| Number of patients | Number of controls | Patients excluded | |
|---|---|---|---|
| VEGF polymorphism | 261 | 261 | - |
| Metastasis | 261 | - | - |
| Tumor location | 260 | - | 1 |
| Survival | 258 | - | 3 |
| Infiltration (T) | 165 | - | 96 |
| Lymph node (N) | 165 | - | 96 |
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