Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild cardiomegaly and a coronary artery stent are re- demonstrated . Atherosclerotic calcifications at the aortic knob are present . The mediastinal and hilar contours are normal . Pulmonary vasculature is normal . Lungs are clear . No pleural effusion or pneumothorax is present . No acute osseous abnormalities detected .
    OUTPUT:
    
No acute cardiopulmonary abnormality .