Table 3.
Stage of adenocarcinomas from pathologic examination of resected specimens.
| Years | Pancreas |
Periampullar |
Bile duct |
Duodenum |
||||
|---|---|---|---|---|---|---|---|---|
| <75 | ≥75 | <75 | ≥75 | <75 | ≥75 | <75 | ≥75 | |
| N | 612 | 153 | 40 | 11 | 75 | 12 | 99 | 18 |
| I, IA IB | 71 | 18 | 2 | 4 | 2 | 21 | 3 | |
| IIA, IIB | 291 | 78 | 28 | 1 | 49 | 10 | 23 | 4 |
| III, IIIA, IIIB | 247 | 56 | 10 | 6 | 23 | 55 | 11 | |
| IV | 3 | |||||||
| N0 | 243 | 49 | 17 | 5 | 23 | 5 | 44 | 7 |
| N1 | 214 | 50 | 15 | 6 | 25 | 4 | 24 | 5 |
| N2 | 155 | 54 | 8 | 27 | 3 | 31 | 6 | |
Nodes.
Pancreas, bile duct and periampullary: N0 no metastases, N1 1–3 metastases, N2 > 3 metastases.
Duodenum: N0 no metastases, N1 1–2 metastases, N2 > 2 metastases.