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 which limits the evaluation . There is mild elevation of the right hemidiaphragm . There is bibasilar atelectasis without definite signs of effusion , pneumothorax or edema . The heart size is difficult to assess . Mediastinal contour is normal . Bony structures appear intact . Thoracic spine appears to align normally .
    OUTPUT:
    
Bibasilar atelectasis . Otherwise , unremarkable .