Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is moderately enlarged with tortuosity of the thoracic aorta . A left anterior chest wall dual - lead pacer is unchanged compared to prior study . There is poor inspiratory effort with associated bibasilar atelectasis . Mild pulmonary edema appears similar to prior study . There is no large pleural effusion or pneumothorax . The osseous structures are grossly unremarkable . There is no evidence of pneumoperitoneum . Stents identified in the right upper quadrant , presumably biliary .
    OUTPUT:
    
1 . Mild pulmonary edema . Although there is no clear worrisome consolidative focus , underlying infectious process can not be excluded given the appropriate clinical circumstance . 2 . No evidence of pneumoperitoneum .