Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . The lungs are clear without effusion or pneumothorax . The known pulmonary nodules are not clearly delineated on the current exam . Cardiomediastinal silhouette is within normal limits . There is no displaced rib fracture identified .
    OUTPUT:
    
No acute cardiopulmonary process . No displaced rib fracture identified . If high clinical concern , a dedicated rib series can be performed .