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 . The cardiomediastinal silhouette is normal . The known rib fractures are not visualized on the plain radiograph , and better evaluated on the CT of the torso .
    OUTPUT:
    
No acute cardiopulmonary process .