Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a left PICC with the tip in the cavoatrial junction . The bilateral interstitial pulmonary edema has improved , although it persists . There are bibasilar opacities . There are bilateral pleural effusions , left greater right . Increased AP diameter suggests hyperinflation . Moderate enlargement of the cardiac silhouette . No pneumothorax is seen . There are no acute osseous abnormalities .
    OUTPUT:
    
1 . Left PICC in appropriate positioning . 2 . Improving interstitial pulmonary edema , with bilateral pleural effusions due to CHF . 3 . Bibasilar patchy opacities , which could represent atelectasis or superimposed pneumonia in the appropriate clinical setting . 4 . Hyperinflation due to COPD .