Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The ET tube is seen 6 cm above the carina , in stable position . There is again seen an NG tube or Dobbhoff tube whose distal tip is not visualized below the lower limit of the film . Left - sided central line is seen in stable position with distal tip projecting over the mid SVC . There are again seen bilateral lower lung opacities , likely bilateral pneumonia . In comparison to prior radiograph , there is improvement in the right lower lung opacity . There is no pulmonary vascular congestion . There is no pneumothorax or effusion .
    OUTPUT:
    
Bilateral lower lung opacities , concerning for bilateral pneumonia . Slight interval improvement in appearance of right lower lung opacity .