Gastrointestinal lipomas are a rare benign non-epithelial neoplasms derived from mature adipocytes. The colon is the commonest organ involved in the entire digestive tract and has an incidence rate ~4.4% in autopsy series. Most of the colonic lipomas are asymptomatic and incidentally detected. Lipomas need to be distinguished from true neoplasia, because in most cases they do not need to be resected unless when they cause a clear symptom or they are large in size. Surgical rather than endoscopic resection is preferred for lipomas??2?cm to avoid complications such as bleeding and perforation. We report a case of a 56-year-old female, a known case of locally advanced breast cancer and positive adenomatous polyposis coli mutation, who was found to have 4?cm ascending colon lipoma by imaging and confirmed by colonoscopy and histopathology.
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