Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette is normal . Lungs are grossly clear . Sternotomy wires are noted . Mediastinal clips related to prior CABG is noted . Normal heart size , pulmonary vascularity . No effusion . No significant change since ___
    OUTPUT:
    
No consolidation . Normal cardiomediastinal silhouette