KRT18 and Hepatic fibrosis: Serum biomarkers, including keratin 18,26, 27 type III procollagen peptide,28 and type III collagen propeptide,29 as well as noninvasive scoring systems, including the NAFLD fibrosis score,30 Fibrosis‐4 index,31 AST/platelet ratio index,32 FibroMeter,33, 34 and BARD score,35 have demonstrated high diagnostic accuracy and reliability for evaluating liver fibrosis and diagnosing NASH.