Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . Heart size is top normal and unchanged . Mediastinal and hilar contours are within normal limits . Eventration of the right hemidiaphragm appears similar compared to the prior study with minimal atelectasis demonstrated in the right lung base . Remainder of the lungs are clear . No focal consolidation , pleural effusion or pneumothorax is seen . No acutely displaced fractures are visualized .
    OUTPUT:
    
No acute cardiopulmonary abnormality .