Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low , but the lungs are grossly clear without focal consolidation , pleural effusion , or pneumothorax . The minor fissure is prominent . Cardiomediastinal and hilar silhouettes are normal . Degenerative changes of the thoracic spine are noted .
    OUTPUT:
    
No acute cardiopulmonary process .