Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is mildly enlarged but unchanged . Mediastinal and hilar contours are within normal limits . The pulmonary vasculature is normal . Lungs are clear without focal consolidation . No pleural effusion or pneumothorax is identified . No acute osseous abnormality is present . VP shunt catheter courses along the right anterior aspect of the chest and into the upper abdomen .
    OUTPUT:
    
No acute cardiopulmonary abnormality .