Table 1 RTOG classification of acute Esophagitis [3]
Grade 0 | Grade 1 | Grade 2 | Grade 3 | Grade 4 |
|---|---|---|---|---|
No change over baseline | Mild dysphagia or odynophagia/may require topical anesthetic or non-narcotic analgesics/may require soft diet | Moderate dysphagia or odynophagia/may require narcotic analgesics/may require puree or liquid diet | Severe dysphagia or odynophagia with dehydration or weight loss (15% from pre-treatment baseline) requiring NG feeding tube, I.V. fluids or hyperalimentation | Complete obstruction, ulceration, perforation, fistula |