Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared the prior radiograph , the severe left pleural effusion has increased in size , causing opacification of the left hemithorax with rightward mediastinal shift . Right pleural effusion is also large , but unchanged . No substantial change in mild pulmonary vascular congestion . Interval placement of a right PICC line , with its tip terminating in the lower SVC . Heart size can not be assessed . Again , a sclerotic lesion of the left humeral head is present and unchanged since ___ .
    OUTPUT:
    
1 . Severe left pleural effusion has increased , causing opacification of the left hemithorax and rightward mediastinal shift . 2 . Persistent large right pleural effusion .