Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size remains within normal limits . The mediastinal and hilar contours are unchanged . Pulmonary vasculature is not engorged . Lungs are clear without focal consolidation . No pleural effusion or pneumothorax is present . There are no acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary abnormality .