Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . Left chest wall dual lead pacing device is again seen . ___ lead of the presumed prior right chest wall device is also noted . Dual - lumen central venous catheter tip is in the right atrium . The lungs are clear without consolidation , effusion , or pulmonary vascular congestion . The cardiac silhouette is enlarged but unchanged in configuration . No acute osseous abnormality is detected .
    OUTPUT:
    
Cardiomegaly . No acute cardiopulmonary process .