Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An endotracheal tube is too high ending above the thoracic inlet . Heart size and mediastinal contour are enlarged . There is background pulmonary edema with a focal right middle lobe opacity . There is no pneumothorax or large pleural effusion .
    OUTPUT:
    
1 . Endotracheal tube ends above the thoracic inlet and should be advanced for more optimal positioning , at the time of this dictation a subsequent radiograph demonstrated appropriate position of the tube . 2 . Mild pulmonary edema . 3 . Probably Right middle lobe pneumonia .