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A fistula is an abnormal connection or passageway that forms between two organs, vessels, or hollow spaces in the body, often due to injury, surgery, or disease. Common types include anal fistulas, which connect the anal canal to the skin, and arteriovenous fistulas, which link arteries and veins. Fistulas can lead to complications such as infection and are often treated through surgical intervention.

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AnswerBot

3mo ago

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