Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are bilateral PleurX catheters , and there has been interval improvement of the loculated left pleural effusion . There is no right pleural effusion . A left cardiac pacer is in stable position with its 2 leads terminating over the right atrium and right ventricle . There are no new focal consolidations or pneumothoraces . The mediastinal silhouette is stable .
    OUTPUT:
    
Interval improvement of the left small pleural effusion .