Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Substantial persistent pleural space in the anterior hemithorax previously occupied by the right upper lobe , now with increasing fluid of unclear etiology . No interval change in substantial subcutaneous emphysema . Right lung is clear without pneumothorax or pleural effusion . Heart size is obscured , however , right mediastinal contour and hilus are normal . No bony abnormality .
    OUTPUT:
    
1 . Substantial persistent pleural space in anterior hemithorax with increasing fluid of unclear etiology . 2 . Stable substantial subcutaneous emphysema . Results were conveyed via telephone to the primary team on ___ at 10 :55 a .m .