Table 6.
Comparison of postoperative recurrence pattern between SD and SED.
| Overall | SD | SED | P | |
|---|---|---|---|---|
| 243 | 162 | 81 | ||
| Residual pancreas (%) | 5 (2.1) | 5 (3.1) | 0 (0.0) | 0.263 |
| Liver metastasis (%) | 89 (36.6) | 64 (39.5) | 25 (30.9) | 0.239 |
| Lung metastasis (%) | 32 (13.2) | 22 (13.6) | 10 (12.3) | 0.947 |
| Bone metastasis (%) | 7 (2.9) | 2 (1.2) | 5 (6.2) | 0.078 |
| Peritoneal metastasis (%) | 42 (17.3) | 35 (21.6) | 7 (8.6) | 0.019 |
| Retroperitoneal lymph nodes metastasis (%) | 70 (28.8) | 53 (32.7) | 17 (21.0) | 0.080 |
SD, standard dissection; SED, selective extended dissection.