| Grade | Description |
|---|---|
| I | Localized pericolic abscess |
| II | Distal colonic abscess, most commonly pelvic abscess |
| III | Purulent peritonitis |
| IV | Fecal peritonitis |
| Grade | Description |
|---|---|
| I | Localized pericolic abscess |
| II | Distal colonic abscess, most commonly pelvic abscess |
| III | Purulent peritonitis |
| IV | Fecal peritonitis |