Table 1 Origin of tissue specimen and histology of colonic adenomatous tissue samples.
| Â | Patients with adenoma | Disease-free controls | |
|---|---|---|---|
| Â | Normal tissue | Adenoma | Normal tissue |
Ascending colon | 8 | 7 | 8 |
Descending colon | 8 | 12 | 5 |
Sigmoid colon and rectum | 9 | 6 | 14 |
Tubular adenoma | - | 12 | - |
Tubular villious adenoma | - | 10 | - |
Villious adenoma | - | 3 | - |