Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are normally expanded . There is no focal airspace opacity to suggest pneumonia . The heart size is top normal . The mediastinal and hilar contours are normal . Median sternotomy wires are intact . A new device in the left upper chest wall . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
No acute cardiopulmonary abnormality .