Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with the prior film , and allowing for technical differences , no definite change is detected . Again seen are multiple nodular opacities , likely reflecting known metastatic disease . Ovoid opacity in the right mid zone is similar to the prior film Also again seen is a small left effusion with underlying with increased retrocardiac density , consistent with left lower lobe collapse and / or consolidation . Probable atelectasis at the right base , unchanged . No gross right effusion . The cardiomediastinal silhouette is unchanged . There is upper zone redistribution , without overt CHF , similar to the prior film . No pneumothorax is detected . Clips and a single loop of air - filled bowel noted in the upper abdomen .
    OUTPUT:
    
Doubt significant interval change .