Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung parenchyma is markedly abnormal , with multiple bilateral pulmonary opacifications , perihilar scarring , and areas of retraction of volume loss consistent with fibrosis . Known pulmonary nodules are better seen in prior CT . There is persistent deviation of the trachea to the right . Cardiomediastinal silhouette is unchanged . Patient is status post CABG .
    OUTPUT:
    
No new opacification to suggest pneumonia .