Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The positioning of the monitoring and supporting medical devices are unchanged apart from interval placement of a right medial basal pleural pigtail catheter . . There is a persisting retrocardiac opacity and layering bilateral pleural effusions , decreased in extent on the right . No significant interval change in the extent of the pulmonary edema given differences in technique . There is no pneumothorax identified .
    OUTPUT:
    
Status post placement of a right pigtail pleural catheter with interval decrease in the size of the right pleural effusion . Persisting pulmonary edema and a left pleural effusion . No pneumothorax .