Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without consolidation , pleural effusion or pneumothorax . The cardiac and mediastinal silhouettes are normal in size . There is no pulmonary edema . Chronic right - sided rib fractures are again noted , and no acute fracture is seen .
    OUTPUT:
    
No acute intrathoracic abnormality .