Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interval insertion of a nasogastric tube with the tip in the body of the stomach , with persistent distention of the stomach . The tracheostomy , right internal jugular line are in standard position . Median sternotomy wires are stable and in good alignment . The multifocal airspace opacities throughout the lungs bilaterally are stable in appearance . Mild central venous congestion . Small bilateral effusions . No pneumothorax .
    OUTPUT:
    
Interval insertion of a nasogastric tube with the tip in the body of the stomach , with persistent distention of the stomach . No significant interval change in the multifocal airspace opacities .