Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Mediastinal silhouette and hilar contours are unremarkable . Lungs are clear . Pleural surfaces are clear without effusion or pneumothorax . No definite fracture is identified . There is no evidence of a pneumoperitoneum .
    OUTPUT:
    
1 . No acute cardiopulmonary abnormality . 2 . No definite fracture . If there is focal area of concern , dedicated rib series may be helpful .