Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is top normal . Moderate size hiatal hernia is re - demonstrated . Mediastinal and hilar contours are otherwise unchanged . Pulmonary vasculature is normal . No focal consolidation , pleural effusion or pneumothorax is present . Moderate multilevel degenerative changes are noted in the thoracic spine . Clip is noted within the left upper quadrant of the abdomen .
    OUTPUT:
    
No acute cardiopulmonary abnormality . Moderate size hiatal hernia .