Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . The cardiac , hilar and mediastinal contours are normal . No pleural abnormality is seen . Intact median sternotomy wires and a left chest wall pacemaker generator with appropriately positioned right atrial ventricular leads are noted . Apparent biapical opacities are likely projectional artifact , as the lung apices were clear on the CT of the neck from ___ .
    OUTPUT:
    
No acute cardiopulmonary process .