Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Endotracheal tube , enteric tube , and right IJ central line are unchanged in position . Heart size is enlarged , stable . Bilateral pulmonary opacities are increasing in density . Left pleural effusion is slightly larger than on the prior study . No pneumothorax .
    OUTPUT:
    
Slight interval increase in density bibasilar pulmonary opacities , concerning for worsening pneumonia .