Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without consolidation or edema . There is no pleural effusion or pneumothorax . A metallic BB marker was placed over the site of pain on the anterior chest . No definite rib fracture is visualized . The cardiomediastinal silhouette is normal .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . No definite rib fracture .