Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . Mediastinal and hilar contours are unremarkable . Pulmonary vasculature is normal . Apart from minimal atelectasis within the left lung base , lungs are clear . No focal consolidation , pleural effusion or pneumothorax is identified . There are minimal degenerative changes in the thoracic spine . Multiple clips are seen in the right upper quadrant of the abdomen .
    OUTPUT:
    
No acute cardiopulmonary abnormality .