Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval pullback of the endotracheal tube , which now terminates 2 .4 cm above the level of the carina . An enteric tube terminates below the view of this radiograph . The heart is mildly enlarged , and no focal consolidation , pleural effusion or pneumothorax is seen . There is no pulmonary edema .
    OUTPUT:
    
1 . Appropriate positioning of support lines and devices . 2 . Cardiomegaly .