Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest demonstrate no focal consolidation , pleural effusion , or pneumothorax . The cardiomediastinal silhouette is normal . There are atherosclerotic calcifications at the aortic knob . Apparent post - surgical hardware is visualized in the mid-thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary process .