Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal silhouette and pulmonary vasculature are normal . The lungs are clear . There is no pleural effusion or pneumothorax . No definite clavicular or rib fracture is identified , though this examination is not tailored for evaluation osseous injuries . If there is significant concern for fracture , dedicated views of the ribs and clavicles can be obtained .
    OUTPUT:
    
No acute intrathoracic abnormality . No definite fracture identified .