Table 5

Endoscopic classification, size, number, high grade dysplasia, and number of carcinomas of flat neoplasms

TypeSize (mm)Adenoma NoHGD No (%)Carcinoma No
HGD, high grade dysplasia.
IIa1–5221 (4.5)
> 5 to 10183 (16.6)
>1072 (28.6)1
IIa+IIc1–5104 (40.0)
> 5 to 101
>1012
IIc (IIc+IIa)1–511 (100.0)
> 5 to 101
>102
Total615