Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiograph demonstrates clear lungs bilaterally . Cardiomediastinal and hilar contours are within normal limits . There is no large pleural effusion or pneumothorax . Eventration of the right hemidiaphragm is noted . No acute osseous abnormality is detected .
    OUTPUT:
    
No acute intrathoracic abnormality .