Gastroenterology

NAFLD Activity Score (NAS)

Histological scoring system for NAFLD/NASH severity — guides liver biopsy interpretation and treatment decisions

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Input Parameters

Steatosis (% hepatocytes affected)

Lobular Inflammation (foci per 200× field)

Hepatocyte Ballooning

Fibrosis Stage (not included in NAS but important)

Clinical Note (Optional)

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