Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the prior radiograph , there has been improvement in bilateral pulmonary opacities , likely improvement in pulmonary edema . There is no definite focal consolidation . There is mild blunting of the left costophrenic angle , likely a small pleural effusion . Cardiac silhouette is enlarged , but stable . There is no pneumothorax . Tracheostomy tube is in place . Right PICC line catheter is unchanged in position .
    OUTPUT:
    
Improvement in bilateral pulmonary opacities , likely representing improved pulmonary edema . Stable small left pleural effusion .