Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The aorta demonstrates atherosclerotic calcifications . Mediastinal and hilar contours are unremarkable . The pulmonary vascularity is not engorged . Small bilateral pleural effusions are demonstrated . Bibasilar streaky opacities likely reflect atelectasis . No pneumothorax is present . There are multilevel moderate degenerative changes throughout the thoracic spine .
    OUTPUT:
    
Small bilateral pleural effusions with bibasilar opacities , likely atelectasis .