Newborn with new abdominal distension with a patent ductus arteriosus who is receiving indomethacin to close it Pediatric Imaging Gastrointestinal October 5, 2019September 27, 2019 Right lateral decubitus radiograph of the abdomen shows a large amount of free air within the abdomen. The diagnosis was indomethacin-induced bowel perforation. Related Published October 5, 2019September 27, 2019