Sun‐Young Lee

Pepsinogen Assay Findings in Individuals With Gastric Atrophy and Intestinal Metaplasia

Serum pepsinogen (PG) testing is widely used as a non-invasive biomarker for gastric atrophy; however, its clinical interpretation varies depending on the severity and distribution of gastritis as well as on the assay methods. Autoimmune gastritis is characterized by markedly dec...