Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen . The cardiac silhouette is top normal . The mediastinum is stable and does not appear widened . There is aortic knob calcification . No pleural effusion or pneumothorax is seen . Evidence of DISH is seen along the spine . No displaced fracture is identified .
    OUTPUT:
    
No acute cardiopulmonary process . Stable mediastinum .