Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours are normal . Lungs are clear . Pulmonary vasculature is normal . No pleural effusion or pneumothorax is seen . There are no acute osseous abnormalities . The sternum appears intact on the lateral view .
    OUTPUT:
    
No acute cardiopulmonary process . No sternal fracture is clearly noted . If there is continued concern for a sternal fracture , please note that CT is a more sensitive exam .