Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are normally expanded and clear . There is no focal airspace opacity to suggest pneumonia . Mediastinal wires are intact projecting over the upper chest and partially visualized spinal fixation hardware is seen projecting over the neck . The cardiomediastinal silhouette and hilar contours are normal . The aorta is somewhat unfolded . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
No evidence of acute cardiopulmonary abnormality .