Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is normal . Mediastinal hilar contours are unremarkable . Pulmonary vasculature is normal . There is no focal consolidation , pleural effusion or pneumothorax . Minimal atelectasis is seen in the right lung base . Multilevel moderate degenerative changes are seen in the thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary abnormality .