Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided AICD device is noted with single lead terminating in the right ventricle . Moderate enlargement of the cardiac silhouette is unchanged . The mediastinal and hilar contours are unremarkable . The pulmonary vasculature is not engorged . Lungs are clear focal consolidation . No pleural effusion or pneumothorax is seen . There are no acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary abnormality . Moderate cardiomegaly , unchanged .