Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette size is normal . The mediastinal and hilar contours are unremarkable with minimal atherosclerotic calcification noted at the aortic knob . The pulmonary vasculature is normal . Lungs are hyperinflated with flattening of the diaphragms . No focal consolidation , pleural effusion or pneumothorax is present . Bilateral ___ rods spanning the thoracolumbar spine are partially imaged .
    OUTPUT:
    
No acute cardiopulmonary abnormality .