You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Seton used in fistula in ano surgery is: and explain in detail?
SETONS A seton is a ligature of silk, nylon, silastic or linen. Used for making, drainage, cutting or staging. A high fistula may be conveed into a low fistula by setons Setons are useful in the management of Complex anorectal fistulas with risk of incontinence or poor healing Patients with Crohn's disease Immunocompromised (HIV) and incontinent patients Patients with chronic diarrheal states Anterior fistula in women