Most common location of anorectal fistula: (A) Intersphincteric, (B) Transsphincteric, (C) Suprasphincteric, (D) Extrasphincteric
Answer is A. Park classification of anorectal fistula is
Type 1. Intersphincteric - most common
Type 2. Transsphincteric
Type 3. Suprasphincteric
Type 4. Extrasphincteric