Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post CABG with intact and appropriately aligned sternotomy wires . There are no focal consolidations . There is a persistent small left pleural effusion , which has slightly decreased compared to prior . There is a stable postoperative appearance of the cardiomediastinal silhouette . The pulmonary vasculature is normal . No pneumothorax is seen . There are no acute osseous abnormalities .
    OUTPUT:
    
1 . Status post CABG with a stable postoperative appearance of the cardiomediastinal silhouette . 2 . Slightly decreased small left pleural effusion .