Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without confluent opacity . There is no pulmonary edema or large pleural effusion . No mass lesion is noted . Cardiomediastinal and hilar contours are within normal limits . There is no pneumothorax . Redemonstrated is a healed posterior right eighth rib fracture , unchanged from prior . Surgical clips below the right hemidiaphragm are likely related to prior cholecystectomy .
    OUTPUT:
    
No acute cardiopulmonary process .