Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size remains mildly enlarged . Mediastinal and hilar contours are unchanged . There is no pulmonary vascular engorgement . Small to moderate size bilateral pleural effusions appear relatively unchanged , right greater than left . Bibasilar opacities likely reflect compressive atelectasis . No new areas of focal consolidation are present . There is no pneumothorax . No acute osseous abnormality detected .
    OUTPUT:
    
Little overall change compared to the prior exam with small to moderate bilateral pleural effusions and bibasilar atelectasis .