Table 2.

Histologic scores for inflammatory and fibrotic Crohn’s disease.

Score	Inflammation	Fibrosis
0 (none)	No inflammation or distortion	No fibrosis
1 (mild)	Lamina propria inflammation only	Minimal fibrosis in submucosa or subserosa
2 (moderate)	Submucosal foci of inflammation and/or foci of transmural inflammation	Increased submucosal fibrosis, septa into muscularis propria and/or septa through muscularis propria, increase in subserosal collage
3 (severe)	Significant, dissecting, confluent transmural inflammation	Significant transmural scar, marked subserosal collagen