Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right - sided Port - A - Cath , and to pigtail pleural drains are unchanged in position from the prior study . A right - sided effusion is trace and minimally decreased from the prior study . Small to moderate left basal pneumothorax is unchanged . Multifocal , bilateral nodular opacities are unchanged . The heart is unchanged in size .
    OUTPUT:
    
Trace right effusion is minimally decreased . Otherwise no significant change from the prior exam .