Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen . Heart size is normal . The aorta is either dilated or tortuous .
    OUTPUT:
    
1 . No focal consolidation . 2 . Dilated or torturous aorta is of uncertain chronicity given lack of prior imaging .