Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . Right - sided Port - A - Cath tip terminates in the mid SVC . Cardiac silhouette size appears borderline enlarged , accentuated by low lung volumes , but unchanged . The mediastinal and hilar contours are unchanged remarkable . Pulmonary vasculature is not engorged . Minimal bibasilar patchy opacities likely reflect atelectasis . No focal consolidation , pleural effusion or pneumothorax is seen . There are mild degenerative changes noted in the thoracic spine .
    OUTPUT:
    
Low lung volumes with mild patchy opacities in the lung bases , likely atelectasis .