Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single frontal view of the chest demonstrates a left pectoral pacer / AICD with leads terminating in the right atrium , right ventricle , and coronary sinus . There has been interval removal of a right PICC . Prominent cardiac silhouette is unchanged . The mediastinal and hilar contours are unremarkable . Aortic arch calcifications are redemonstrated . The lungs are clear .
    OUTPUT:
    
No radiographic evidence of acute cardiopulmonary process .