Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right pectoral Infuse - A - Port terminates at the superior cavoatrial junction . There is stable eventration of the right hemidiaphragm with associated right basilar linear atelectasis . A layering small left pleural effusion is unchanged . The upper lung fields are clear . The cardiomediastinal silhouette is stable .
    OUTPUT:
    
Stable small left pleural effusion .