Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Mediastinal and hilar contours are within normal limits . Lungs are clear without focal consolidation . No pleural effusion , pulmonary vascular congestion , or pneumothorax is identified . No acute osseous abnormalities are demonstrated .
    OUTPUT:
    
No acute cardiopulmonary abnormality .