Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is mildly enlarged . The the hilar and mediastinal contours are normal . The lungs are clear without evidence of focal consolidations concerning for pneumonia . Fibronodular changes are seen at the apex again consistent with old granulomatous disease . Left - sided dual channel pacer device appears to be in appropriate position . There is no large pleural effusion or pneumothorax .
    OUTPUT:
    
No acute intrathoracic abnormalities identified .