Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Tracheostomy tube again noted . Again seen is a right - sided PICC line , with tip near cavoatrial junction . No pneumothorax detected . Allowing for technical differences , the overall appearances are quite similar . However , there is improved aeration at the left base , with new visualization of left hemidiaphragm , and less pronounced density at the right lung base . Small bilateral effusions and underlying bibasilar collapse and / or consolidation remains present . Extensive vascular engorgement is again seen the and confluent opacity in left mid greater than right stones is again noted .
    OUTPUT:
    
Some interval improvement in aeration at both lung bases . Otherwise , doubt significant interval change .