Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . There is a small left pleural effusion . The patient is status post median sternotomy with wires intact . An endotracheal tube ends in the lower thoracic trachea . An enteric tube courses below the level of the diaphragm and coils in the left upper quadrant . Left lung perihilar opacity might represent aspiration . Lucency is projecting over the left lower lung , might potentially represent elevated stomach , attention to this area on the subsequent study is recommended . Surgical clips project over the right hemiabdomen .
    OUTPUT:
    
An endotracheal tube ends in the lower thoracic trachea .