Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Endotracheal tube terminates 4 cm from the carina . Enteric tube tip and side - port are within the stomach . Heart size is normal . Mediastinal and hilar contours are unremarkable . Pulmonary vasculature is normal . Minimal retrocardiac atelectasis is demonstrated . Remainder of the lungs are clear . No pleural effusion or pneumothorax is present . No acutely displaced fractures are demonstrated .
    OUTPUT:
    
Standard positioning of endotracheal and enteric tubes . Mild retrocardiac atelectasis .