Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiograph demonstrates no focal consolidation concerning for infection . Comparison is made to prior radiograph dated ___ . There is been no significant changes . Cardiomediastinal and hilar contours are stable in appearance . There is no pleural effusion or pneumothorax . No acute osseous abnormality is identified .
    OUTPUT:
    
No acute changes thoracic abnormality .