Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is at the upper limits of normal size . The mediastinal and hilar contours appear unchanged . The aortic arch is again calcified . The lungs appear clear aside from linear right mid lung opacity suggesting minor atelectasis . There is no definite pleural effusion . Mild hyperinflation is noted . There is exaggerated kyphotic curvature with slight loss in several mid vertebral body heights . Bones are likely demineralized .
    OUTPUT:
    
No evidence of acute disease .