Table 4.

Histological and endoscopic type, grade of dysplasia, number, and endoscopic size of neoplasms

		Size (mm)
	No of tumours	Mean (SD)	Range
Adenoma LGD
P	831	9 (6.5)	2–70
F	50	7 (4.1)	2–20
Adenoma HGD
P	65	23 (2.0)	3–100
F	11	8 (5.7)	3–20
Early (sm) carcinoma
P	11	28 (15.8)	15–70
F	5	16 (1.3)	15–18

sm, submucosal invasion; LGD, low grade dysplasia; HGD, high grade dysplasia; P, protruding adenoma; F, flat/depressed adenoma.