Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours appear unchanged . The aortic arch is again densely calcified . The descending aorta shows more patchy calcification . The heart appears borderline in size . The cardiac , mediastinal and hilar contours appear stable . There is no pleural effusion or pneumothorax . The bones are probably demineralized .
    OUTPUT:
    
No evidence of acute cardiopulmonary disease .