Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The aorta is tortuous . A moderate size hiatal hernia is again noted . Pulmonary vasculature is normal . There is no focal consolidation , pleural effusion or pneumothorax present . Moderate degenerative changes are again noted within the thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary abnormality .