Table 4.
Comparison of postoperative recurrence patterns for RPC
| Total (n = 60) | REC1a (n = 32) | Non-REC1b (n = 28) | P value | |
|---|---|---|---|---|
| Distant metastasis | 28 (46.7%) | 22 (68.8%) | 6 (21.4%) | <0.001 |
| Liver | 6 (10%) | 5 (15.6%) | 1 (3.6%) | |
| Lung | 7 (11.7%) | 3 (9.4%) | 4 (14.2%) | |
| Dissemination | 9 (15%) | 8 (25%) | 1 (3.6%) | |
| Others | 6 (10%) | 6 (18.8%) | 0 (0%) | |
| Local recurrence | 32 (53.3%) | 10 (31.2%) | 22 (78.6%) | <0.001 |
| Local | 20 (33.3%) | 6 (18.8%) | 14 (50%) | |
| Lymph node | 5 (8.3%) | 1 (3%) | 4 (14.3%) | |
| Plexus nerve | 7 (11.7%) | 3 (9.4%) | 4 (14.3%) |
aRecurrence within 1 year
bRecurrence at more than 1 year after surgery