Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal contours are normal . Lungs and pleural surfaces are clear . Although the radiograph was not tailored to evaluate the ribs , no focal lytic or blastic rib lesion is detected . Degenerative changes are present in the spine .
    OUTPUT:
    
No acute cardiopulmonary radiographic abnormality . If clinical suspicion for left rib abnormality persists , dedicated rib radiographs with metallic marker at sites of symptoms may be helpful for more complete evaluation if warranted clinically .