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Table 5. Overall Clinical Grade (Based on the Highest Stage Obtained)
| Grade 0: | No stage 1–4 of any organ |
| Grade I: | Stage 1–2 skin and no liver or gut involvement |
| Grade II: | Stage 3 skin and/or stage 1 liver involvement and/or stage 1 GI |
| Grade III: | Stage 0–3 skin, with stage 2–3 liver and/or stage 2–3 GI |
| Grade IV: | Stage 4 skin, liver, or GI involvement |
GI = gastrointestinal.