Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Lung volumes are low . Mild left basal atelectasis noted . No convincing signs of pneumonia or edema . No large effusion or pneumothorax . Bony structures appear intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
Mild left basal atelectasis , otherwise unremarkable .