Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . Heart size and mediastinal contours are stable . No pleural effusion or pneumothorax . No definite evidence of acute rib fracture .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . If persistent concern for rib fracture , dedicated rib series or ct is more sensitive .