Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lateral and AP radiograph demonstrate no focal opacity convincing for pneumonia . Lungs are clear bilaterally . Cardiomediastinal and hilar contours are stable in appearance and within normal limits . There is no large pleural effusion or pneumothorax . Visualized osseous structures are without an acute abnormality . No air under the right hemidiaphragm is seen .
    OUTPUT:
    
No acute intrathoracic abnormality .