Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post CABG with sternotomy wires that are intact appropriately aligned . There is a left pectoral pacemaker with leads appropriate and unchanged in position since ___ . There is stable enlargement of the cardiomediastinal silhouette . No focal consolidations . The pulmonary vasculature is normal . No pleural effusion or pneumothorax is seen . There are no acute osseous abnormalities .
    OUTPUT:
    
1 . No evidence of pneumonia . 2 . Stable enlargement of the cardiomediastinal silhouette status post CABG .