Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are within normal limits . The lungs are well expanded and clear . There is an area of linear atelectasis at the left lung base . There is otherwise no focal consolidation , pleural effusion or pneumothorax . Surgical chain sutures are seen in the right upper lung field . Cholecystectomy clips are seen in the right upper quadrant . Sutures are seen over the left abdomen . There is no evidence of free air .
    OUTPUT:
    
No acute cardiopulmonary findings .