Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A skin BB marks the site of pain . No rib fractures seen . The lungs are clear . The hilar and cardiomediastinal contours are normal . There is no pneumothorax . There is no pleural effusion . Pulmonary vascularity is normal . Sclerotic focus involving the imaged portion of the proximal right humerus is again noted . It was present on remote priors dating back to ___ .
    OUTPUT:
    
No acute cardiopulmonary process . No displaced rib fracture is seen .