Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest demonstrate the lungs are well expanded and clear . The cardiomediastinal silhouette is unremarkable . There is no evidence of pneumothorax , pleural effusion , pulmonary edema or focal airspace opacity . The visualized bony structures appear intact .
    OUTPUT:
    
No acute cardiopulmonary process or rib fractures .