Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lines and tubes are grossly unchanged . The cardiomediastinal silhouette is unchanged . Extensive opacities in both lungs are similar to the prior film , allowing for technical differences . No pneumothorax detected . Widened right and left AC joints noted , ? Postsurgical on the right .
    OUTPUT:
    
Doubt significant interval change .