Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac , mediastinal and hilar contours are normal . The lung volumes are low . No focal consolidation , pleural effusion or pneumothorax is seen . There are no acute osseous abnormalities . Multiple clips compatible with prior cholecystectomy are again seen in the upper abdomen .
    OUTPUT:
    
No acute cardiopulmonary abnormality .