Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no significant change compared to prior examination with redemonstration of mild interstitial pulmonary edema with a small left effusion . Cardiomediastinal silhouette and hilar contours are unchanged . Endotracheal tube and a left subclavian central venous catheter are in standard position . There is no pneumothorax .
    OUTPUT:
    
No significant change compared to prior study with unchanged mild edema and small left effusion .