Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No focal consolidation is seen . There is no pleural effusion or pneumothorax . The cardiac silhouette is mildly enlarged . Mediastinal contours are unremarkable . No pulmonary edema is seen . Electronic stimulator device is again seen on the left .
    OUTPUT:
    
No acute cardiopulmonary process .