Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are clear without confluent consolidation . There is no pulmonary edema or pleural effusions . Cardiomediastinal and hilar contours are within normal limits . There is no pneumothorax . No definite rib fracture is identified on this chest radiograph examination . There has been no significant change compared to recent prior examination .
    OUTPUT:
    
No acute cardiopulmonary process