Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . The aorta is markedly tortuous and diffusely calcified . Moderate - sized hiatal hernia is re-demonstrated . The pulmonary vascularity is not engorged . Linear atelectasis within the left lung base is unchanged . Otherwise , the lungs are clear . No pleural effusion or pneumothorax is present . There is diffuse demineralization of the osseous structures without a definite acute osseous abnormality seen .
    OUTPUT:
    
No acute cardiopulmonary abnormality .