Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiograph demonstrates clear lungs bilaterally . There is no pleural effusion or pneumothorax . Cardiomediastinal and hilar contours are stable in appearance when compared to prior radiograph dated ___ . There is no pulmonary edema . Visualized osseous structures demonstrates no acute abnormality . No air under the right hemidiaphragm is observed .
    OUTPUT:
    
No acute intrathoracic abnormality .