Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right - sided PICC line has been pulled back and now ends in the lower SVC . Mild pulmonary edema has slightly redistributed not changed significantly and severity . Left lung base is now more lucent with an unusual round shape , this could only be spared lungs , however close attention to this area on follow up is suggested . Right basilar opacification has worsened , probably from pleural effusion and atelectasis . There is no pneumothorax .
    OUTPUT:
    
1 . Right PICC line has been pulled back and is in adequate position . 2 . Mild pulmonary edema is unchanged in severity . 3 . Increase in left lower lung hyperlucency could be from reaerated lung , however close attention to this area on follow up is suggested .