Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided pacemaker device is re - demonstrated with leads terminate in the right atrium right ventricle . Heart size is enlarged , but difficult to precisely determined given the presence of a moderate size right and small left bilateral pleural effusions . The right pleural effusion appears increased in size compared to the prior study . There is mild pulmonary edema , perhaps worse in the interval , with bibasilar opacities , likely compressive atelectasis . No pneumothorax is present . No acute osseous abnormality is seen . There are moderate degenerative changes noted in the thoracic spine .
    OUTPUT:
    
Mild pulmonary edema , slightly worse in the interval , with increased size of moderate right pleural effusion and similar small left pleural effusion . Bibasilar compressive atelectasis .