Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Redemonstrated are small bilateral pleural effusions and dense bibasilar atelectasis . Persisting peripheral reticular opacities may represent mild pulmonary edema or interstitial changes . A dilated tortuous esophagus is again noted . Residual contrast from a recent upper GI examination is seen in the GI tract including the esophagus . Subcutaneous gas related to the recent surgery is again also noted . Cardiomediastinal silhouette is stable .
    OUTPUT:
    
No substantial change compared to the prior examination . Residual barium from a recent esophagram is noted in the GI tract .