Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were provided . Lung volumes are low and there is mild bibasilar atelectasis . No convincing signs of pneumonia or CHF . No pleural effusion or pneumothorax . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
Mild bibasilar atelectasis , otherwise normal .