Table 3.

Dysplasia of sporadic adenomas by location and size

	Proximal (n=39)		Distal (n=72)		Rectum (n=41)
Dysplasia	Low	High	Low	High	Low	High
	34	5	45	27	33	8
Size
<5 mm	19	2	22	6	17	1
≥5 mm	15	3	23	21	16	7

Difference between ≥5 mm adenomas in the proximal and distal colon and between the proximal colon and rectum were not significant.