Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are low inspiratory volumes . Allowing for technical differences , there is no definite change compared with ___ . Again seen is the right central line with tip over cavoatrial junction . No pneumothorax is detected . The cardiomediastinal silhouette is not appreciably changed . Upper zone redistribution is likely accentuated by low inspiratory volumes . No CHF . Small left effusion and left lower lobe collapse and / or consolidation is again noted . Minimal patchy opacity in right cardiophrenic region is not significantly changed . The right lung and costophrenic sulcus remain grossly clear .
    OUTPUT:
    
Left lower lobe collapse and / or consolidation and small left effusion . Minimal atelectasis right cardiophrenic region .