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Walk the Even Hospital Database by book and chapter — the raw source passages that ground Ask, DDx, and the rest.

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contentuptodate· Content· item f41_54_42850

©2013 UpToDate ® Print Email Anal rectal fistulas, lateral view In this lateral view of anal rectal fistulas, a superficial fistula has been included. It is not a component of the original Parks' classification. This figure also illustrates the potential pathways of trans-sphincteric fistulas.