Age: 5 days (born at 29 weeks)
Indication: Rigid abdomen
Large volume pneumoperitoneum.
Featureless nondistended loops of bowel are seen throughout the abdomen without convincing pneumatosis.
Diffuse granular airspace opacities at the lung bases, which may relate to respiratory distress syndrome.
Umbilical venous catheter tip projects over the right atrium.
Umbilical arterial catheter tip projects at the level of T5-T6.