Table 3.

Assessment of histopathological scores.

Grade	Extent of inflammation	Infiltration neutrophils+ lympho-histiocytes	Extent of crypt damage	Crypt abscesses	Sub-mucosal edema	Loss of goblet cells	Reactive epithelial hyperplasia
0	None	None	None	None	None	None	None
1	Mucosa	Focal	Basal one third	Focal	Focal	Focal	Focal
2	Mucosa+ submucosa	Multifocal	Basal two thirds	Multifocal	Multifocal	Multifocal	Multifocal
3	Mucosa+submucosa+ muscle layer	Diffuse	Entire crypt damage		Diffuse	Diffuse	Diffuse
4	Transmura		Crypt damage+ulceration