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 and the lungs are clear . No focal consolidation , pleural effusion or pneumothorax is visualized . No acute osseous abnormalities present .
    OUTPUT:
    
Borderline enlarged cardiac silhouette . Otherwise no acute cardiopulmonary process .