Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The mediastinal and hilar contours are within normal limits . The pulmonary vasculature is not engorged . Lungs are clear without focal consolidation . No pleural effusion or pneumothorax is identified . No acute osseous abnormalities detected . Gaseous distention of the stomach is noted .
    OUTPUT:
    
No acute cardiopulmonary abnormality .