Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours appear unchanged , allowing for differences in technique . The heart is mildly enlarged . The lung volumes are low . Streaky right basilar opacity suggests minor atelectasis , decreased since the prior study . Otherwise , the lungs appear clear . Exaggerated kyphotic curvature and two mid thoracic compression deformities appear stable .
    OUTPUT:
    
No evidence of acute disease .