Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours appear stable . The heart appears at the upper limits of normal size . Streaky right mid lung opacities suggest thickening or minor atelectasis along the minor fissure . There is possibly a trace pleural effusion on the left side only . The lungs appear otherwise clear . Kyphotic curvature appears exaggerated , but vertebral body heights appear preserved along the thoracic spine . The bones appear demineralized .
    OUTPUT:
    
No evidence of injury .