Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs demonstrate hyper expanded lungs . No focal opacity is identified convincing for pneumonia . There is no radiopaque foreign body identified . There is no pleural effusion or pneumothorax . Visualized osseous structures are without an acute abnormality .
    OUTPUT:
    
No acute intrathoracic abnormality . No radiopaque foreign body .