Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A portable view of the chest demonstrates mild worsening of course bibasilar opacities , still better than on ___ . Cardiomediastinal silhouette is normal . There is no pneumothorax and small , if any pleural effusion . Left PICC and endotracheal tube are unchanged in position .
    OUTPUT:
    
Mild worsening of coarse bibasilar opacities .