Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were provided . Lung volumes are somewhat low though the lungs appear clear bilaterally without focal consolidation , effusion , or pneumothorax . The cardiomediastinal silhouette appears normal . Bony structures are intact . There is no free air below the right hemidiaphragm .
    OUTPUT:
    
Low lung volumes without definite signs of pneumonia or CHF .