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Recurrence pattern according to the status of COX-2 expression in the 98 patients with recurrence.
| COX-2 negative (n = 52) | COX-2 positive (n = 46) | P value | |
|---|---|---|---|
| 0.256 | |||
| Local recurrence | 14 (26.9%) | 18 (39.1%) | |
| Liver | 13 (25.0%) | 12 (26.1%) | |
| Lung | 9 (17.3%) | 10 (21.7%) | |
| Peritoneal seeding | 5 (9.6%) | 3 (6.5%) | |
| Others (brain, bone, skin) | 11 (21.2%) | 3 (6.5%) |
