X-ray
The lungs are small in volume with granular appearances, which are in keeping with respiratory distress syndrome.
The bowel has a bubbly appearance suspicious for necrotising enterocolitis/pneumatosis.
Ill-defined lucency in the centre of the abdomen, highlighting the falciform ligament, which is in keeping with pneumoperitoneum.
This is confirmed on the lateral view, with accumulation of air in the anti-dependent positon.
Subtle lucencies projected in the liver, which are in keeping with portal venous gas.
The tip of the nasogastric tube is projected below the left hemidiaphragm in the stomach.
The tip of the UVC is projected at the ductus venosus/IVC , just below the level of the hemidiaphragm.
Conclusion:
Respiratory distress syndrome.
Necrotising enterocolitis with pneumoperitoneum.