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The more common benign surgical disorders of the stomach are ulcerations of the lining that are not successfully treated with acid-reducing medications. Ulcers of the stomach and proximal small bowel (duodenum) can cause pain and bleeding. If the ulcers are chronic, they can lead to obstruction of the stomach/duodenum or perforation of the wall, resulting in peritonitis.
Nonmalignant small bowel disorders that are surgically rectified include blockage due to scarring from previous abdominal surgery and inflammatory conditions (primarily Crohn's disease) that have worsened without or in spite of medical treatments.
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