Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided stimulator device is noted with lead coursing cephalad into the left neck . Patient is status post thyroidectomy with clips noted about the lower neck . Heart size is mildly enlarged , unchanged . Mediastinal and hilar contours are within normal limits . Pulmonary vasculature is not engorged . Small bilateral pleural effusions , larger on the left , appears slightly increased in size compared to the previous radiograph . Bibasilar opacities in the lungs likely reflect areas of compressive atelectasis . No pneumothorax is seen . Moderate multilevel degenerative changes are noted in the thoracic spine .
    OUTPUT:
    
Increased size of small bilateral pleural effusions , greater on the left , compared to prior chest radiograph from ___ . Bibasilar opacities likely reflect compressive atelectasis .