Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is top normal . Mediastinal and hilar contours are unremarkable . Pulmonary vasculature is normal . Subsegmental atelectasis in the right lung base is noted . Otherwise the lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen . The patient is status post bilateral mastectomies . S - shaped scoliosis of the thoracolumbar spine is re - demonstrated .
    OUTPUT:
    
No acute cardiopulmonary abnormality .