Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal contours are unchanged with Cardiac size minimally enlarged . Bibasilar opacities have minimally in crease could represent increasing atelectasis or pneumonia . There is no pneumothorax or pleural effusion . The osseous structures are unremarkable
    OUTPUT:
    
Increasing bibasilar opacities could represent atelectasis or pneumonia .