title: Anal fissure and anal ulcers.
mesh_terms: D000328:Adult; D001004:Anus Diseases / Q000175:diagnosis / Q000209:etiology / Q000628:therapy; D003251:Constriction, Pathologic; D003424:Crohn Disease / Q000175:diagnosis; D003937:Diagnosis, Differential; D005260:Female; D005401:Fissure in Ano / Q000175:diagnosis / Q000209:etiology / Q000628:therapy; D006801:Humans; D008297:Male; D014456:Ulcer / Q000175:diagnosis / Q000209:etiology / Q000628:therapy