Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Re - demonstrated widespread pulmonary interstitial abnormality , slightly worsened compared to ___ , similar compared to ___ , again may be due to interstitial pulmonary edema superimposed on a background of moderate pulmonary emphysema . Superimposed infectious process is not excluded . There are small bilateral pleural effusions . No pneumothorax is seen . The cardiac and mediastinal silhouettes are stably enlarged .
    OUTPUT:
    
Re - demonstrated widespread pulmonary interstitial abnormality , slightly worse compared to ___ , similar compared to ___ , ca n't may be due to interstitial pulmonary edema superimposed on a background of pulmonary emphysema . Superimposed infectious process not excluded .