Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without consolidation , effusion , or edema . Cardiac silhouette is mildly enlarged . Median sternotomy wires and mediastinal clips are noted . Hypertrophic changes noted in the spine without acute osseous abnormality .
    OUTPUT:
    
Cardiomegaly without acute cardiopulmonary process .