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Evaluation of histological scores.
| Inflammatory Cell Infiltration | Tissue Damage | ||
|---|---|---|---|
| No infiltration | 0 | No mucosal damage | 0 |
| Increased number of inflammatory cells in the lamina propria | 1 | Discrete epithelial lesions | 1 |
| Inflammatory cells extending into the submucosa | 2 | Erosions or focal ulcerations | 2 |
| Transmural inflammatory cell infiltration | 3 | Severe mucosal damage with extensive ulceration extending into the bowel wall | 3 |
