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Patient and tumor characteristics
| Feature | No. |
|---|---|
| All patients | 42 |
| Age in years (mean, 62) | |
| <60 | 19 |
| >60 | 23 |
| Gender | |
| Female | 11 |
| Male | 31 |
| TNM, T feature | |
| T1 | 1 |
| T2 | 19 |
| T3 | 19 |
| T4 | 3 |
| TNM, N feature | |
| N0 | 24 |
| N1 | 12 |
| N2 | 6 |
| N3 | 0 |
| TNM, M feature | |
| M0 | 28 |
| M1 | 14 |
| Histopathological tumors characteristics | |
| Grade 1 | 0 |
| Grade 2 | 15 |
| Grade 3 | 27 |
| Presence of ulceration | 29 cases |
| Presence of inflammation | 33 cases |
| Lymphatic vessels cancer thrombosis | 4 cases |
| Disease-free 5-year survival | 16 cases |
