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Histopathological scoring of NASH-related fibrosis1
| Score | Definition |
|---|---|
| 0 | None |
| 1 | Perisinusoidal or periportal |
| 1A | Mild, zone 3, perisinusoidal fibrosis |
| 1B | Moderate, zone 3, perisinusoidal fibrosis |
| 1C | Portal/periportal fibrosis |
| 2 | Portal/periportal and perisinusoidal fibrosis |
| 3 | Bridging fibrosis |
| 4 | Cirrhosis |
1Fibrosis scores defined according to the NASH Clinical Research Network (11). NASH, nonalcoholic steatohepatitis.
