Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs again demonstrate a left chest wall pacer device with leads projecting over the right atrium and ventricle , as well as multiple sternal wires , all unchanged . There is again moderate cardiomegaly , improved compared to ___ . There is vascular congestion , without frank pulmonary edema . Bibasilar atelectasis , left greater than right , is also likely present . No definite focal consolidation , pleural effusion , or pneumothorax .
    OUTPUT:
    
Mild vascular congestion , without frank pulmonary edema . Bibasilar atelectasis , left greater than right . No definite focal consolidation .