Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP semi-erect and lateral views of the chest ___ at 08 :52 is submitted . Overlying motion on the lateral view limits this exam .
    OUTPUT:
    
Interval placement of left - sided single lead pacer with the lead terminating over the expected location of the right ventricle . There has been interval appearance of mild to moderate pulmonary and interstitial edema . There is likely a layering left effusion and bibasilar patchy opacities likely reflect compressive atelectasis . No pneumothorax .