Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size remains mildly enlarged . The aorta is slightly tortuous , as seen previously , with re - demonstration of a moderate size hiatal hernia . Pulmonary vasculature is normal . Lungs are clear without focal consolidation . No pleural effusion or pneumothorax is present . There are mild to moderate degenerative changes noted in the thoracic spine along with S shaped scoliosis .
    OUTPUT:
    
No acute cardiopulmonary abnormality . Moderate size hiatal hernia .