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Extensive intramural pneumatosis. CT imaging in a 69-year-old male, 3 days post redo aortic valve replacement bioprosthesis surgery. Coronal reformats (a,b) and axial slices (c,d) show extensive pneumatosis in the bowel wall (arrows). The gas is more clearly demonstrated using bone window presets (b,d) than with the equivalent slices on standard abdominal window settings (a,c).
