Immune compromised preschooler with abdominal pain Pediatric Imaging Gastrointestinal April 29, 2026February 27, 2026 AXR AP shows marked curvilinear air throughout the bowel wall of the transverse, descending and sigmoid colon and rectum. The diagnosis was pneumatosis intestinalis of the colon. Related Published April 29, 2026February 27, 2026