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Oral mucositis scoring system
| Grade | Description |
|---|---|
| 0 (none) | None |
| I (mild) | Oral soreness, erythema |
| II (moderate) | Oral erythema, ulcers, solid diet tolerated |
| III (severe) | Oral ulcers, liquid diet only |
| IV (life-threatening) | Oral alimentation impossible |
