Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with the radiograph performed approximately 9 days prior to our study there is significant interval improvement of bibasilar patchy opacities and pleural effusions . No new opacities identified . There is no pneumothorax . Cardiac size is normal .
    OUTPUT:
    
Significant interval improvement of bibasilar patchy opacities and pleural effusions compatible with resolving pneumonia . ___ weeks should be allowed for clearance of inflammatory changes in the lungs .