Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left chest wall dual lead pacemaker is present . The tip of the right PICC line projects over the superior cavoatrial junction . Low bilateral lung volumes with mild bibasilar atelectasis . No focal consolidation , pleural effusion or pneumothorax identified . There is mild pulmonary edema , grossly unchanged . The size of the cardiomediastinal silhouette is enlarged but unchanged .
    OUTPUT:
    
Mild pulmonary edema .