Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval progression of multifocal bronchopneumonia , with hazy opacities throughout the perihilar regions , and middle / lower lobes . Tiny bilateral pleural effusions are present . Heart size is at the upper limits of normal .
    OUTPUT:
    
Interval worsening of multifocal opacities , most likely bronchopneumonia , though recurrent lymphoma can have a similar appearance .