Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . Aside from mild widening of the mediastinum , the hilar and mediastinal contours are unremarkable . There is no pleural effusion , or pneumothorax . No other focal consolidations concerning for pneumonia identified . The visualized osseous structures are unremarkable .
    OUTPUT:
    
No acute intrathoracic abnormalities identified .