Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with prior radiographs on ___ , there is slight improvement in pulmonary edema , with persistent moderate to large loculated left - sided pleural effusion . There is no new focal consolidation or pneumothorax . Cardiomediastinal silhouette is unchanged . ET tube and right IJ catheter stable in position .
    OUTPUT:
    
Slight improvement in pulmonary edema , with persistent moderate to large loculated left - sided pleural effusion and postoperative widening of the mediastinum .