Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is normal . The aorta is mildly tortuous . Mediastinal and hilar contours are otherwise unremarkable . Lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen . Pulmonary vasculature is normal . No acute osseous abnormalities present .
    OUTPUT:
    
No acute cardiopulmonary abnormality .