Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is normal in size . The mediastinal and hilar contours appear within normal limits . Trace bilateral pleural effusions are suspected . There are patchy opacities in both lower lobes , as well as probable opacities in the right middle lobe and lingula , worrisome for pneumonia . The bony structures are unremarkable .
    OUTPUT:
    
___ opacities worrisome for pneumonia in the appropriate clinical setting .