| Savary and Miller (1978) Classification of reflux esophagitis | ||
| Grade | Endoscopic citeria | |
| I | one or more non confluent lesion with erythema and edema | |
| II | confluent erosive and edematous lesions not covering the complete esophageal circumference | |
| III | the lesion covers the complete esophageal circumference | |
| IV | Esophageal ulcer, Barrettīs epithelium, strictures and other chronic mucosal lesions | |
