Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient had recent sternotomy for CABG . Mediastinal and cardiac contours are top normal with left - sided pectoral pacemaker in adequate position . Left mid lung atelectatic band is minimal . Left lower lobe is better aerated . The residual pleural effusion is minimal bigger on the left side . There is no pneumothorax .
    OUTPUT:
    
The patient had recent sternotomy for CABG . The lungs are better aerated . Residual pleural effusion is minimal , bigger on the left side .