Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A large left pleural effusion , largely obliterating the left heart border , persists . There is evidence of underlying atelectasis or consolidation as before . There is continued evidence of a small right pleural effusion . Lung volumes are lower than before and there is more streaky density at the right base consistent with subsegmental atelectasis . The patient is status post TAVR . The aorta is calcified . Allowing for technical differences in the studies , mediastinal structures are stable . A transvenous pacemaker remains in place . There are no concerning bone findings .
    OUTPUT:
    
No significant change .