Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The ETT has been removed . The Swan - Ganz catheter has been removed . Right - sided IJV sheath in situ with the tip at the cavoatrial junction . Cardiomediastinal shadow unchanged . Interval improvement in the interstitial edema . No pneumothorax or pneumomediastinum . Left basal atelectatic changes with a possible small associated effusion appears slightly more pronounced compared to prior . Distended stomach . No new airspace consolidation .
    OUTPUT:
    
No pneumothorax . Distended stomach . Mild increase in left lower lobe atelectasis with a possible small associated effusion .