Table 2 Summary of disease-free survival and overall survival events
| Â | Non-randomized arm | |
|---|---|---|
|  | Surgery only (NR-Group S) n = 402 | Surgery plus UFT/LV (NR-Group U) n = 804 |
Disease-free survival eventsa | 115 (28.6) | 181 (22.5) |
 Recurrence | 73 (18.2) | 123 (15.3) |
Sites (multiple selections made) | ||
 Liver | 24 (6.0) | 37 (4.6) |
 Lung | 25 (6.2) | 29 (3.6) |
 Local | 12 (3.0) | 25 (3.1) |
  Anastomosis | 5 (1.2) | 13 (1.6) |
  Regional lymph node | 0 (0.0) | 3 (0.4) |
  Other | 7 (1.7) | 12 (1.5) |
 Lymph nodes other than regional lymph nodes | 5 (1.2) | 8 (1.0) |
 Peritoneum | 17 (4.2) | 40 (5.0) |
 Other | 4 (1.0) | 11 (1.4) |
  Uterus | 0 (0.0) | 1 (0.1) |
  Ovary | 2 (0.5) | 3 (0.4) |
  Other | 2 (0.5) | 7 (0.9) |
 Secondary cancer | 39 (9.7) | 50 (6.2) |
 Death | 3 (0.7) | 8 (1.0) |
 Overall survival events | 39 (9.7) | 68 (8.5) |