Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The left lung base is more densely opacified when compared with the prior study of ___ . Otherwise , there is little change in diffuse bilateral airspace opacities . Endotracheal tube , right - sided PICC line , right chest wall pacer leads , and enteric tube are well positioned . There is no pneumothorax . The cardiomediastinal silhouette is within normal limits .
    OUTPUT:
    
1 . Interval increase in left basilar opacification , otherwise little change in severe , persistent , global airspace opacities compared with prior radiographs .