THE FRENCH NATIONAL NAFLD COHORT (FRench pAtients With MEtabolic Steatosis)

"Biological specimens are collected to better characterize patients of different severity and improve our understanding of clinical and histological heterogeneity at diagnosis :~* added for the research : blood, urine, stools~* collected for the research : liver tissue sample, if a liver biopsy is indicated for clinical reasons (standard of care)"

Visits if possible during standard care, otherwise added by the research (If necessary the annual visit will be added by research for the collection of biological samples)