Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . The hilar and mediastinal contours are normal . The lungs are hyper - expanded , likely secondary to emphysema . No focal consolidations concerning for pneumonia are identified . There is no pleural effusion or pneumothorax . The visualized osseous structures are unremarkable . Right nipple should not be mistakened for a nodule .
    OUTPUT:
    
No acute intrathoracic abnormalities identified .