Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Diffuse bilateral peribronchial ground - glass opacities are relatively unchanged and better evaluated on recent CT examination . Small bilateral effusions persist . Cardiomediastinal silhouette is unremarkable . There is no pneumothorax .
    OUTPUT:
    
Persistent diffuse bilateral peribronchial ground - glass opacities , better evaluated on recent CT , overall unchanged .