Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is mildly enlarged but unchanged . The mediastinal and hilar contours are similar with a moderate - sized hiatal hernia again noted . Pulmonary vasculature is not engorged . Lungs are clear without focal consolidation . No pleural effusion or pneumothorax is present . Moderate to severe multilevel degenerative changes are re - demonstrated the thoracic spine . Rounded calcific densities overlying the left glenohumeral joint may reflect calcific bursitis and appear unchanged .
    OUTPUT:
    
No acute cardiopulmonary abnormality . Moderate size hiatal hernia .