•Pediatric collagenous gastritis: a rare etiology of iron-deficiency anemia.
•A lifestyle-derived risk score for chronic atrophic gastritis: development and validation in 21,008 Chinese adults
•Collagenous gastritis: a rare case in young adult with iron deficiency anemia
•Risk of Gastric Neoplasms in Patients with Autoimmune Gastritis: A Systematic Review and Meta-Analysis
•Establishment of a Gastric Cancer Diagnostic Model Based on the Combined Evaluation of Peripheral Blood Immune-inflammatory Nutritional Indicators and Tumor Markers