Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Sequential chest radiographs demonstrate advancement of the nasogastric tube into the distal esophagus with some coiling in the back of the throat . Again there is a mild - to - moderate vascular congestion in a patient with intact midline sutures and prosthetic right shoulder . There is no focal consolidation , effusion , or pneumothorax . Cardiomediastinal contours are stable .
    OUTPUT:
    
Nasogastric tube with tip terminating in the distal esophagus .