Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographdemonstrates 8 sternotomy wires with two fractures within the first sternotomy wire without separation of fractured wire fragments . No wire migration . No additional fractures identified . A prosthetic valve is unchanged in appearance . The lungs are moderately well expanded and clear . No pleural effusion or pneumothorax . Heart size , mediastinal contour , and hila are unremarkable .
    OUTPUT:
    
Fractured first sternotomy wire without separation or migration .