Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left PICC terminates in the right atrium . Low lung volumes limits assessment . Bibasilar atelectasis noted . Hilar congestion difficult to exclude . No overt edema . Left upper extremity access PICC line is seen with its tip in the mid SVC region . No large pneumothorax .
    OUTPUT:
    
Limited . Bibasilar atelectasis . PICC line positioned appropriately .