Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Atherosclerotic calcifications are noted at the aortic knob . The mediastinal and hilar contours are within normal limits . Pulmonary vasculature is normal . Lungs are hyperinflated . Apart from subsegmental atelectasis in the right middle lobe , the lungs are clear . No focal consolidation , pleural effusion or pneumothorax is present . No acute osseous abnormalities present .
    OUTPUT:
    
No acute cardiopulmonary abnormality .