Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Status post sternotomy . The upper most sternotomy wire demonstrates fracture of the wire . The heart is not enlarged . Aorta is minimally unfolded . No CHF , focal infiltrate or effusion is identified . Minimal subsegmental atelectasis noted at the left base .
    OUTPUT:
    
No acute pulmonary process identified . Fracture of upper most sternotomy wire . Clinical correlation requested , as this can be associated with sternal dehiscence .