Anal<unk>  are classified into four types based on the relationship to sphincter- intersphincteric, transsphincteric, suprasphincteric, extrasphincteric. Anal<unk>  are classified into two categories based on the risk factors associated- simple anal<unk>  and complex anal<unk> . Anal<unk> s are also classified according to primary tracks into two- high and low anal<unk> s.
Anal fistula classification
Anal fissure classification
Anal fissure epidemiology and demographics
Anal fissure laboratory findings
Short bowel syndrome classification
Rectal prolapse classification
Ileus epidemiology and demographics
Diverticulitis classification