Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The aorta is mildly tortuous . Hilar contours are normal and the lungs are clear . Pulmonary vascularity is not engorged . There is no pleural effusion or pneumothorax . Diffuse demineralization of the osseous structures is noted . No acute osseous abnormalities are visualized .
    OUTPUT:
    
No acute cardiopulmonary abnormality .