Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without consolidation , effusion , or edema . Opacity projecting over the anterior right fourth and fifth ribs are likely due to callus formation from prior fractures . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormalities . No free intraperitoneal air .
    OUTPUT:
    
No acute cardiopulmonary process .