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Angiodysplasia is the most common vascular lesion of the gastrointestinal tract, and this condition may be asymptomatic, or it may cause gastrointestinal (GI) bleeding.
Inflammation of the colon. Among the more common causes are infections or inflammatory bowel disease. Angiodysplasia. A condition in which fragile, abnormal blood vessels lead to bleeding. Peptic ulcers. An open sore in the lining of the stomach or duodenum-the upper end of the small intestine.