Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to the prior CXR on ___ , there is a significant decrease in opacification of the right lung . However , there is increasing opacity of the left mid / lower lung . Developing pneumonia is a possibility . There is no pneumothorax . The endotracheal tube and right internal jugular catheter are unchanged in position . Stable cardiomegaly . No acute osseous abnormalities .
    OUTPUT:
    
Improved opacification of right lung , likely resolving ARDS . However , interval worsening opacification of left mid / lower lung which may represent pneumonia . Correlate clinically with signs of infection .