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The serum anti- Helicobacter pylori ( H. pylori ) immunoglobulin G (IgG) and serum pepsinogen (PG) assays are widely used to screen for gastric cancer. An equivocal serology test finding indicates IgG titer between the positive and negative test findings. This study aims to evaluate the long-term follow-up result after an equivocal test finding on the serum anti- H. pylori IgG assay.

Serological Changes after EquivocalHelicobacter pylori-serology Test Findings Dependent on Gastric Secreting Ability