Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low - normal , however the lungs are clear . The cardiomediastinal silhouette , hila , and pleural surfaces are normal . Old healed right anterior third rib and right lateral fifth and sixth rib fractures are also seen . There is no acute bony abnormality .
    OUTPUT:
    
1 . No acute cardiopulmonary process . No radiographic evidence of pneumonia .