Variable | Category | N (%) | Total |
---|---|---|---|
Gender | Male | 161 (80.9) | 199 |
 | Female | 38 (19.1) |  |
Ethnicity | Caucasian | 148 (74.4) | 199 |
 | Not Caucasian | 42 (21.1) |  |
 | No data available | 9 (4.5) |  |
Tumor location | Upper | 34 (17.1) | 199 |
 | Middle | 104 (52.3) |  |
 | Lower | 50 (25.1) |  |
 | No data available | 11 (5.5) |  |
Histological grade | G1 | 62 (31.2) | 199 |
 | G2 | 93 (46.7) |  |
 | G3 | 42 (21.1) |  |
 | G4 | 2 (1) |  |
Infiltration level | Basal layer | 9 (4.5) | 199 |
 | Muscular | 42 (21.1) |  |
 | Adventitia | 148 (74.4) |  |
Lymphatic invasion | Not observed | 160 (80.4) | 199 |
 | Present | 39 (19.6) |  |
Venous invasion | Not observed | 58 (29.1) | 199 |
 | Present | 141 (70.9) |  |
pN | Negative | 107 (53.8) | 199 |
 | Positive | 89 (44.7) |  |
 | No data available | 3 (1.5) |  |
Surgical margins | Not committed | 6 (3.0) | 199 |
 | Committed | 188 (94.5) |  |
 | No data available | 5 (2.5) |  |
Stage | I | 6 (3) | 199 |
 | II | 86 (43.2) |  |
 | III | 53 (26.6) |  |
 | IV | 52 (26.1) |  |
 | No data available | 2 (1) |  |
Tumor recurrence | Negative | 87 (43.7) | 199 |
 | Positive | 110 (55.3) |  |
 | No data available | 2 (1) |  |
Evolution of disease | Death from disease | 153 (76,9) | 199 |
 | Alive without disease | 7 (3.5) |  |
 | Alive with disease | 1 (0.5) |  |
 | No follow-up | 38 (19.1) |  |