Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The mediastinal and hilar contours are normal . The pulmonary vasculature is normal . Lungs are clear . No pleural effusion or pneumothorax is seen . There are no acute osseous abnormalities . Slight elevation of the left hemidiaphragm due to gaseous distention of the stomach is noted .
    OUTPUT:
    
No acute cardiopulmonary abnormality . No definite acute rib fracture is seen though if there is continued clinical concern , a dedicated rib series is suggested .