Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Lung volumes are low limiting assessment . No overt signs of pneumonia or edema . No large effusion or pneumothorax . Bronchovascular crowding likely accounts for central prominence of bronchovascular opacities . Cardiomediastinal silhouette appears grossly unremarkable . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
Limited , negative .