Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is mildly enlarged . Mediastinal and hilar contours are unchanged . No pulmonary vascular engorgement is seen . Apart from minimal scarring in the left lung base , the lungs are clear without focal consolidation . No pleural effusion or pneumothorax is demonstrated . There are no acute osseous abnormalities . Cholecystectomy clips are again demonstrated in the upper abdomen .
    OUTPUT:
    
No acute cardiopulmonary abnormality .