Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Known sub - 4 mm pulmonary nodules are not clearly delineated on this study . There is mild bibasilar atelectasis . Otherwise , the lungs are clear with no evidence of a consolidation , effusion , or pneumothorax . Cardiac and mediastinal silhouettes are normal . No acute fractures are identified but there is kyphosis of the thoracolumbar spine .
    OUTPUT:
    
No acute cardiopulmonary process .