Patients undergoing foregut surgeries can have de novo findings or worsening of underlying upper gastrointestinal pathologies including Barrett’s esophagus and gastric intestinal metaplasia. These changes carry a potentially increased risk for malignancy development in the future raising the question of the utility of post-operative surveillance endoscopy after esophagectomy, bariatric and metabolic surgeries (Sleeve gastrectomy and Roux-en-Y Gastric Bypass), achalasia treatment, and anti-reflux surgery. In this narrative review, we conduct a literature exploration of available data on post-operative endoscopic surveillance findings following the procedures summarizing the prevalence of upper gastrointestinal pathologies and recommendations on the utility of postoperative endoscopy from established medical societies.
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