Mucoid adenocarcinoma in anorectal fistula.
D002288:Adenocarcinoma, Mucinous / Q000209:etiology*; D001005:Anus Neoplasms / Q000209:etiology*; D005401:Fissure in Ano / Q000150:complications*; D006801:Humans; D008297:Male; D008875:Middle Aged; D012003:Rectal Fistula / Q000150:complications*; D012004:Rectal Neoplasms / Q000209:etiology*