Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Two - views of the chest demonstrate a left chest wall pacemaker generator with appropriately positioned right atrial and ventricular leads . Left humeral hardware is partially imaged . Cardiac size is top normal . The lungs are clear , hilar and mediastinal contours are normal , and no pleural abnormality is seen .
    OUTPUT:
    
No acute cardiopulmonary process .