Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is severe kyphosis and demineralization of the thoracic spine . The lungs are clear without consolidation or edema . There is no pleural effusion or pneumothorax . The cardiomediastinal silhouette is normal .
    OUTPUT:
    
1 . No evidence of pneumonia . 2 . Stable severe kyphosis .