Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without confluent opacity . No pulmonary edema or pleural effusions are identified . Cardiomediastinal and hilar contours are within normal limits . Known numerous non-displaced primarily anterior rib fractures are not well characterized on this radiographic examination .
    OUTPUT:
    
No acute cardiopulmonary process . No pleural effusion to suggest hemothorax .