Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest show no acute cardiopulmonary process . The cardiomediastinal , pleural , and pulmonary structures are unremarkable . There is no pleural effusion or pneumothorax . Scarring at the right lung base is unchanged . Although no localizing history was provided , there is no definite fracture seen .
    OUTPUT:
    
No definite fracture identified .