Table 3.

MD anderson cancer center endoscopic inflammation grading

MD Anderson cancer center endoscopic inflammation grading
Disease activity	Endoscopic features
Mild	Normal endoscopy Normal histology
Moderate	Normal colon appearance with pathology showing inflammation, small ulcer < 1 cm, shallow ulcer < 2 mm, and/or number of ulcers < 3; inflammation limited to the left colon, non-ulcer inflammation
High	Large ulcer > 1 cm, deep ulcer > 2 mm, and/or number of ulcers > 3; extensive inflammation beyond left colon