Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . Lung volumes are low , though no focal consolidation is seen . No effusion or pneumothorax . Cardiomediastinal silhouette appears grossly stable , though lung volumes are low , limiting evaluation of the heart size . Bony structures are intact .
    OUTPUT:
    
Limited , negative .