Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is within normal limits . Mediastinal contour is grossly unchanged , with known lymphadenopathy better demonstrated on the previous CT . The hilar contours are unchanged . Pulmonary vasculature is normal . Lung volumes are low with mild bibasilar atelectasis . Previously demonstrated pulmonary nodules on CT are not visualized on the current radiograph . No focal consolidation , pleural effusion or pneumothorax is visualized . There are mild degenerative changes noted in the thoracic spine .
    OUTPUT:
    
Low lung volumes with mild bibasilar atelectasis . Previously demonstrated mediastinal lymphadenopathy and pulmonary nodules on CT are not well assessed on the current radiograph .