Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left subclavian PICC is unchanged , ending in mid SVC . The bilateral parenchymal opacities have reduced also with improvement of the bibasilar pleural effusion , which persists small on the left lung base . Persistent enlargement of the upper mediastinum for for known paraspinal hematoma . Cardiac silhouette is normal . There is no pneumothorax .
    OUTPUT:
    
Mild improvement of bibasilar opacities and pleural effusions , which persists small on the left base .