Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A newly placed left pectoral cardiac AICD has leads projecting over the right atrium and right ventricle . Elevation of the left hemidiaphragm is unchanged . New hazy opacification of the partially obscured left lung may be due to a layering effusion ( hemorrhagic or serous ) or atelectasis . The right lung remains clear . There is no pneumothorax . Regional bones and soft tissues are unremarkable .
    OUTPUT:
    
Newly placed left pectoral AICD with appropriately positioned leads . New hazy opacification of the left lung may be due to a combination of pleural effusion ( hemorrhagic or serous ) and atelectasis . Clear right lung .