Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . The hilar and mediastinal contours are within normal limits . There is a right sided aortic arch . The patient is post median sternotomy . A pediatric lower sternal wire is fractured . There is no pneumothorax , focal consolidation , or pleural effusion .
    OUTPUT:
    
No acute intrathoracic process . Right sided aortic arch .