Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is normal . The aorta remains tortuous . Pulmonary vascularity is normal . Lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen . Mild loss of height of a low thoracic vertebral body is unchanged .
    OUTPUT:
    
No acute cardiopulmonary abnormality .