Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear bilaterally with no areas of focal consolidation . There is no pleural effusion or pneumothorax . Patient is status post CABG . Cardiomegaly is stable . Mediastinal silhouette is within normal limits .
    OUTPUT:
    
No evidence of pneumonia . Stable cardiomegaly .