|  | Dukes classification |  | |||
---|---|---|---|---|---|---|
Tumor-site | Â | Dukes A | Dukes B | Dukes C | Dukes D | Total |
rectum | N | 19 | 18 | 18 | 24 | 79 |
 | % | 24% | 23% | 23% | 30% | 100% |
rectosigmoid junction | N | 3 | 9 | 9 | 5 | 26 |
 | % | 12% | 35% | 35% | 19% | 100% |
sigmoid colon | N | 11 | 29 | 12 | 31 | 83 |
 | % | 13% | 35% | 15% | 37% | 100% |
descending colon | N | 2 | 3 | 1 | 4 | 10 |
 | % | 20% | 30% | 10% | 40% | 100% |
transverse colon | N | 2 | 7 | 4 | 1 | 14 |
 | % | 14% | 50% | 29% | 7% | 100% |
ascending colon | N | 1 | 16 | 3 | 6 | 26 |
 | % | 4% | 62% | 12% | 23% | 100% |
cecum | N | 4 | 12 | 7 | 11 | 34 |
 | % | 12% | 35% | 21% | 32% | 100% |
Total | N | 42 | 94 | 54 | 82 | 272 |
 | % | 15% | 35% | 20% | 30% | 100% |