Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy and CABG . The patient is slightly rotated . There is stable elevation of the right hemidiaphragm . There is no pneumothorax or pleural effusion . The lungs remain clear . The heart and mediastinum are magnified by the projection .
    OUTPUT:
    
Clear lungs with no significant interval change .