Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is borderline enlarged . Mediastinal and hilar contours are normal . Pulmonary vasculature is normal . Lungs are clear . No focal consolidation , pleural effusion or pneumothorax is identified , although the extreme costophrenic angles are excluded on these views . There are no acute osseous abnormalities . Pneumoperitoneum seen on previous CT is not visualized on the current radiograph .
    OUTPUT:
    
No acute cardiopulmonary abnormality .