title: Site of recurrence, extent of ileal disease and magnitude of resection in primary and recurrent Crohn's disease.
mesh_terms: D003092:Colitis / Q000601:surgery; D003106:Colon / Q000473:pathology; D003424:Crohn Disease / Q000473:pathology / Q000601:surgery*; D005500:Follow-Up Studies; D006801:Humans; D007079:Ileitis / Q000601:surgery; D007082:Ileum / Q000473:pathology; D012008:Recurrence