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 . There is a patchy medial right infrahilar opacity most suggestive of minor atelectasis . Otherwise , the lungs appear clear . There are no pleural effusions or pneumothorax . The bony structures are unremarkable .
    OUTPUT:
    
No evidence of acute disease . Opacity suggestive of minor medial right basilar atelectasis without suspicious findings in the chest .