Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: ET tube ends 6 .7 cm above the carina . There is a right jugular sheath ending in lower jugular vein . The patient had prior sternotomy with left - sided pacemaker and atrioventricular leads in adequate position . Mild volume overload has slightly improved since previous exam . Small - to - moderate bibasilar atelectasis with overlying pleural effusion are unchanged . There is no pneumothorax . The patient has probably emphysema as shown on the chest x-ray of ___ where there were hyperinflated lungs and it explains the oligemia in upper lobes on today 's exam .
    OUTPUT:
    
1 . Tube and lines are in standard position . 2 . Slight improvement of mild pulmonary edema . 3 . Unchanged bibasilar atelectasis with layering pleural effusion .