Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Supine portable AP view of the chest is obtained . Underlying trauma board is in place which somewhat limits evaluation . The lungs appear clear bilaterally without focal consolidation , effusion , pneumothorax . Cardiomediastinal silhouette appears normal . No gross osseous deformities are seen .
    OUTPUT:
    
No acute findings in the chest . Please refer to subsequent CT of the torso for further details regarding left anterior rib fractures .