Premature newborn after nasogastric tube placement

AXR of gastric perforation from nasogastric tube placement
Supine AXR (above) shows increased lucency throughout the central abdomen and left lateral decubitus AXR (below) shows air between the abdominal wall and the liver. On both views the tip of the nasogastric tube projects inferior to the gas-filled stomach.

The diagnosis was pneumoperitoneum due to gastric perforation during nasogastric tube placement.