Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is at the upper limits of normal . Mediastinal and hilar contours are within normal limits . The lungs are clear of consolidation . The flattened hemidiaphragms and a large AP dimension of the thoracic cavity suggest emphysema . There is no pleural effusion or pneumothorax . An ill - defined lucency over a mid thoracic vertebral body was not present on prior exams .
    OUTPUT:
    
1 . No evidence for pneumonia . 2 . Lucency in a mid-thoracic vertebral body ; correlate with history to assess for whether or not this could be affiliated with metastatic disease .