Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to the prior study there is no significant interval change in the location of the Swan - Ganz catheter . The ET tube has been removed . Mediastinal drains are still present . There is volume loss at both bases , left greater than right . But the aeration in the lower lobes is improved compared to the study from the prior day
    OUTPUT:
    
Slight improved appearance to the lung