Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Borderline enlargement of the cardiac silhouette is unchanged . The aorta remains mildly tortuous . Mediastinal and hilar contours are normal . The pulmonary vasculature is not engorged . Lungs are hyperinflated without focal consolidation , pleural effusion or pneumothorax . Osseous structures are diffusely demineralized .
    OUTPUT:
    
No acute cardiopulmonary abnormality .