title: Carcinoma associated with fistula in ano.
mesh_terms: D002288:Adenocarcinoma, Mucinous / Q000150:complications* / Q000175:diagnosis / Q000473:pathology / Q000601:surgery; D001005:Anus Neoplasms / Q000150:complications* / Q000175:diagnosis / Q000473:pathology / Q000601:surgery; D001706:Biopsy; D003125:Colostomy; D005401:Fissure in Ano / Q000150:complications*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011183:Postoperative Complications; D011351:Proctoscopy