Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal contours are normal . New patchy and linear bibasilar opacities are present as well as small bilateral pleural effusions . Right hemidiaphragm is mildly elevated .
    OUTPUT:
    
New bibasilar opacities favoring atelectasis over infectious pneumonia . Small bilateral pleural effusions .