Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size remains moderately enlarged . The aorta is mildly tortuous with atherosclerotic calcifications most pronounced at the arch . Mild upper zone vascular redistribution is demonstrated with minimal streaky and patchy opacities at the lung bases likely reflective of atelectasis . No focal consolidation , pleural effusion or pneumothorax is present . Multiple clips are noted about the thoracic inlet compatible with prior thyroidectomy . Moderate multilevel degenerative changes are seen in the thoracic spine .
    OUTPUT:
    
Mild pulmonary vascular congestion and mild bibasilar atelectasis .