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Size and location of the adenomas with dysplasia or adenocarcinoma
| Dysplasia | Adenocarcinoma | |||
| Method | Low Grade | High Grade | ||
| Air | 5 mm, 30 mm in ascending | |||
| 8 mm in transverse | ||||
| 6 mm in cecum | ||||
| 25 mm in sigmoid | ||||
| 30 mm in rectum | ||||
| 20 mm in rectum | ||||
| Water | 20 mm in sigmoid | |||
| 30 mm in ascending | ||||
| 20 mm in descending | ||||
| 40 mm in rectum |
