Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patchy bibasilar opacities have mildly increased , likely atelectasis , consider pneumonitis in the appropriate clinical setting . Probable small left pleural effusion , similar . Shallow inspiration . Normal heart size , pulmonary vascularity .
    OUTPUT:
    
Mildly worsened bibasilar opacities , likely atelectasis , consider pneumonitis in the appropriate clinical setting