Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right basilar pigtail catheter is present . No pneumothorax is identified . There is a persisting small layering right pleural effusion . Mild interval in decrease in the extent of the pulmonary edema . No left pleural effusion . The size of the cardiomediastinal silhouette is within normal limits .
    OUTPUT:
    
No discrete pneumothorax identified . A right basal pigtail catheter is in place . Unchanged small layering right pleural effusion . Mild interval decrease in the extent of the pulmonary edema .