<prompt> True statement regarding Fistula in ano is:Posterior fistulae have straight tracksHigh fistulae can be operated with no fear of incontinenceHigh and low divisions are made in relation to the pelvic floorIntersphincteric is the most common type  <response>: Intersphincteric fistula is the most common type of fistula in ano. Ref: Bailey and Loves Sho Practice of Surgery, 25th Edition, Page 1263. 