Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single AP supine portable chest radiograph obtained . The lungs appear clear and well expanded . No supine evidence for pneumothorax or effusion . Cardiomediastinal silhouette appears normal . An old deformity of the right mid clavicular shaft is noted . No definite acute osseous injuries .
    OUTPUT:
    
No acute findings in the chest . Please refer to subsequent CT of the chest for further details .