Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left subclavian central venous catheter ending in the mid SVC , endotracheal tube , and enteric tube are unchanged in position . The lungs are well inflated . There has been interval improvement in aeration of the right upper lobe since the prior study . Bilateral lower lobe consolidations are similar in appearance . There is no pneumothorax .
    OUTPUT:
    
Improved right upper lobe aeration since the prior study . Lower lobe consolidations , right greater than left , are unchanged .