Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . There is no pneumothorax . Opacity at the left lung base is compatible with prominent fat pad seen on CT scan . Cardiomediastinal silhouette is within normal limits . Median sternotomy wires and mediastinal clips are noted . No displaced fractures . Hypertrophic changes noted in the spine .
    OUTPUT:
    
No acute cardiopulmonary process . No displaced fracture .