Table 1.

World Health Organization clinical criteria for the identification of serrated polyposis 16

Criterion 1	At least five serrated polyps located proximal to the sigmoid colon, two of which are larger than 10 mm in diameter
Criterion 2	Any number of serrated polyps located proximal to the sigmoid colon in an individual who has a first degree relative with serrated polyposis
Criterion 3	More than 20 serrated polyps of any size distributed throughout the colon