Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest were provided with the patient positioned upright . There is no focal consolidation , effusion , or pneumothorax . There is biapical pleural parenchymal scarring again noted . The cardiomediastinal silhouette appears stable with an unfolded thoracic aorta again seen . No bony abnormalities are seen .
    OUTPUT:
    
No signs of acute injury in the chest .