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Ishak stage
| Microscopic appearance | Grade of Fibrosis |
|---|---|
| No fibrosis | 0 |
| Fibrous expansion of some portal areas, with or without fibrous septa | 1 |
| Fibrous expansion of most portal areas, with or without short fibrous septa | 2 |
| Fibrous expansion of most portal areas with occasional portal to portal bridging | 3 |
| Fibrous expansion of portal areas with marked bridging | 4 |
| Marked bridging with occasional nodule (incomplete cirrhosis) | 5 |
| Cirrhosis, probable or definite | 6 |
