Duplication of the ileum with heterotopic gastric mucosa pseudomyxoma peritonei and nonrotation of the midgut.
D000293:Adolescent; D002828:Choristoma / Q000150:complications* / Q000473:pathology / Q000601:surgery; D003537:Cystadenoma / Q000150:complications* / Q000473:pathology / Q000601:surgery; D005753:Gastric Mucosa / Q000473:pathology / Q000601:surgery; D006801:Humans; D007082:Ileum / Q000002:abnormalities* / Q000473:pathology / Q000601:surgery; D007410:Intestinal Diseases / Q000150:complications* / Q000473:pathology / Q000601:surgery; D007414:Intestinal Neoplasms / Q000150:complications* / Q000473:pathology / Q000601:surgery; D008297:Male