Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral chest radiographs were obtained . Comparison is made to prior radiograph dated ___ . Cardiomediastinal and hilar contours are stable . No focal opacity is identified concerning for infection . No overt pulmonary edema . There is no pleural effusion . No acute osseous abnormality is identified .
    OUTPUT:
    
No acute intra thoracic abnormality .