Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is some scarring in the right middle lobe which is unchanged in appearance . There is no evidence of pneumonia or pulmonary edema . The cardiomediastinal silhouette and hilar contours are normal . The pleural surfaces are normal without effusion or pneumothorax . Sternotomy wires are again seen and unchanged .
    OUTPUT:
    
No evidence of acute cardiopulmonary process . These findings were communicated to Dr . ___ by telephone at 15 :02 on ___ at the time of discovery by Dr . ___ .