Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are unchanged compared to the prior study . The trachea is central . The cardiomediastinal contour is unchanged . No consolidation , pneumothorax or pleural effusion seen . The patchy ground - glass opacities and bronchiectasis seen on the prior CT are not well appreciated on this study .
    OUTPUT:
    
No significant interval change .