title: Unusual presentation of Meckel's diverticulum.
mesh_terms: D000293:Adolescent; D000747:Anemia, Hypochromic / Q000209:etiology; D002137:Calculi / Q000209:etiology; D006801:Humans; D007077:Ileal Diseases / Q000209:etiology; D007412:Intestinal Fistula / Q000209:etiology; D008297:Male; D008467:Meckel Diverticulum / Q000150:complications*; D012003:Rectal Fistula / Q000209:etiology