Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette size remains mildly enlarged . Mediastinal and hilar contours are similar . There is stimulator device seen within the left anterior chest wall with lead coursing cephalad into the left neck . Lungs are clear . No pleural effusion , pulmonary edema , or pneumothorax is present . No acute osseous abnormality is visualized .
    OUTPUT:
    
No acute cardiopulmonary abnormality .