Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is patchy bibasilar opacities that could reflect atelectasis though infection can not be excluded . There is no pleural effusion or pulmonary edema is seen . The heart is normal in size .
    OUTPUT:
    
Patchy bibasilar opacities most likely reflect atelectasis though an infection can not be excluded . Recommend clinical correlation .