Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well - expanded and clear . The cardiac silhouette is enlarged . The patient has a pacemaker device present , with leads terminating in the expected location of the right atrium and right ventricle . There is no pneumothorax , pleural effusion , or consolidation .
    OUTPUT:
    
No acute cardiopulmonary process .