This research paper discusses a case in which stomach cancer was incidentally discovered during a bariatric surgery procedure. Bariatric surgery is well-known for its significant effects on weight loss and overall health enhancement, and its prevalence has been rising globally. While its primary aim is weight reduction, it also offers the chance for surgeons to detect and manage other medical conditions. In this specific case, a patient scheduled for bariatric surgery was incidentally discovered with stomach cancer, underscoring the significance of comprehensive operative assessments and vigilant monitoring during surgery.