KASL clinical practice guidelines for the management of metabolic dysfunction-associated steatotic liver disease 2025

Purpose and scopeNonalcoholic fatty liver disease (NAFLD) is defined as excessive fat accumulation in the liver in the absence of significant alcohol consumption.Recently, a novel concept of fatty liver disease (FLD) has emerged.When the term 'nonalcoholic' was first introduced, the disease identity of NAFLD was based on the exclusion of other etiologies for chronic liver disease.However, the characteristics of NAFLD have gradually been established, as it is closely