Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient had recent sternotomy for CABG and aortic valve repair . The left lower lobe atelectasis has significantly improved . Bilateral residual pleural effusion is minimal . Mediastinal and cardiac moderate enlargement is stable . Upper trachea is slightly deviated toward the right side secondary to thyroid enlargement and nodule as shown on recent CT .
    OUTPUT:
    
Patient had recent CABG and aortic valve repair . Residual bilateral pleural effusion is minimal . Left lower lobe is better aerated .