Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: New dual lead pacer with the tips in the right atrium and right ventricle . Mild pulmonary edema has improved . Small left effusion persists . Small right - sided pleural effusion has decreased as well as adjacent atelectasis .
    OUTPUT:
    
No pneumothorax . New dual lead pacer with the tips in the right atrium and right ventricle Improved pulmonary edema .