Upper endoscopy
Intervention1 paper2 findings
Outcomes
1Duodenal cancer
no changein humans1RR 0.78Moderate certainty
1 study
Duodenal cancer
no changein humans1RR 0.78Moderate certainty
Upper endoscopy has no effect on duodenal cancer in humans (RR 0.78, 95% CI 0.35-1.74).
Reviewin Lynch syndrome
Gastric and Duodenal Cancer in Lynch Syndrome: Incidence and Endoscopic Surveillance-Systematic Review and Meta-analysis · Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association · 25 Sep 2026
Associations
1Gastric cancer
downin humans1RR 0.31High certainty
1 study
Gastric cancer
downin humans1RR 0.31High certainty
Upper endoscopy lowers the risk of gastric cancer in humans (RR 0.31, 95% CI 0.14-0.69).
Reviewin Lynch syndrome
Gastric and Duodenal Cancer in Lynch Syndrome: Incidence and Endoscopic Surveillance-Systematic Review and Meta-analysis · Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association · 25 Sep 2026