Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Endotracheal tube , enteric tube , and left PICC line are unchanged location . Heart size and mediastinal contours are stable . Lungs appear better aerated since the prior study with no appreciable pleural effusion . No pneumothorax .
    OUTPUT:
    
Improvement in aeration of the lungs bilaterally with no appreciable pleural effusion .