Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is normal . Coronary artery stents are re- demonstrated . Mediastinal and hilar contours are normal . Pulmonary vasculature is normal . Linear atelectasis is seen in the left lower lobe . Remainder of the lungs are clear . No focal consolidation , pleural effusion or pneumothorax is present . Moderate degenerative changes are seen in the thoracic spine with anterior osteophyte formation .
    OUTPUT:
    
Left lower lobe linear atelectasis . No focal consolidation to indicate pneumonia .