Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is stable mild bilateral apical scarring . The lungs are otherwise clear without opacities or pulmonary edema . There is no pleural effusion or pneumothorax . The cardiomediastinal silhouette is normal .
    OUTPUT:
    
1 . No evidence of pneumonia . 2 . Stable bilateral apical scarring .