Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is mildly enlarged . A previously seen left pleural effusion has resolved . There is a persistent small right pleural effusion . Linear bibasilar opacities denote mild atelectasis . There is no pneumothorax or focal consolidation . Clip in the left upper quadrant of the upper abdomen is noted .
    OUTPUT:
    
1 . Interval resolution of a small left pleural effusion since ___ . 2 . Unchanged small right pleural effusion .