Table 4 Lymph‐node and distant metastases in colorectal carcinoids and adenocarcinomas.
| Risk factors | Carcinoids | Well‐ and moderately differentiated adenocarcinomas | p Value | ||
|---|---|---|---|---|---|
| Metastasis, n | Total, n (%) | Metastasis, n | Total, n (%) | ||
| LN metastasis | |||||
| 1–10 mm and ly– | 0 | 28 (0) | 29 | 678 (4.3) | 0.264 |
| >10 mm or ly+ | 4 | 25 (16) | 3570 | 17 968 (20) | 0.628 |
| >10 mm and ly+ | 26 | 34 (76) | 22 133 | 42 027 (53) | 0.005 |
| Distant metastasis | |||||
| 1–20 mm and v− | 0 | 87 (0) | 45 | 4274 (1.1) | 0.336 |
| >20 mm or v+ | 2 | 28 (7.1) | 2528 | 27 422 (9.2) | 0.704 |
| >20 mm and v+ | 8 | 16 (50) | 6716 | 29 242 (23) | 0.010 |
LN, lymph node; ly, lymphatic invasion; v, venous invasion; −, absent; +, present.