Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are within normal limits . The lungs are clear without focal consolidation , pleural effusion or pneumothorax . No displaced rib fractures are identified .
    OUTPUT:
    
No acute cardiopulmonary process . No nondisplaced rib fractures are identified . Chest radiographs are not sensitive for the detection of nondisplaced rib fractures .